Sentences with phrase «space studies head»

Not exact matches

Tal Inbar, the head of the space research center at the Fisher Institute for Air and Space Strategic Studies, observed on Twitter that the reentry vehicle, or the tip of the missile that must return down to earth, was «HUGE.&rspace research center at the Fisher Institute for Air and Space Strategic Studies, observed on Twitter that the reentry vehicle, or the tip of the missile that must return down to earth, was «HUGE.&rSpace Strategic Studies, observed on Twitter that the reentry vehicle, or the tip of the missile that must return down to earth, was «HUGE.»

In a «Globes» interview today, Tal Inbar, head of the Space Research Center at the Fisher Institute for Air & Space Strategic Studies, stated, «The backbone of Hamas's missile batteries is the Grad missile, a standard 122 - mm rocket with a 20 - 40 km range and a metal fragmentation warhead designed to cause casualties.»

Last week Gavin Schmidt, head of NASA's Goddard Institute of Space Studies, estimated that the average global temperature in 2016 could range from about 1.1 °C above preindustrial to only slightly below 1.5 °C, based on GISS's temperature record and its definition of pre-industrial (other records and definitions vary).

The folks who volunteer to lie in bed for three months with their feet elevated slightly above their heads so that scientists can study the physiological effects of being in zero gravity tend to be passionate about space flight.

Frosch's reply, preserved in NASA's archives, argues for considering the space colony studies under the heading of «long - range studies»:

Scientific American spoke with Rosenzweig, head of the climate impacts group at the NASA Goddard Institute for Space Studies, while she prepared her Tarrytown home — threatened by trees listing in the wake of Sandy — for yet another northeaster storm.

Some climate scientists, including James E. Hansen, former head of the nasa Goddard Institute for Space Studies, say we must also consider slower feedbacks such as changes in the continental ice sheets.

ScienceInsider also noted Japanese plans to send a walking robot to study the moon, a new tornado hunting program, plans by Stanford University to publicize payments to faculty members from drug or device firms, and police protection for the head of India's space program against a possible terrorist attack.

James Hansen heads the NASA Institute for Space Studies, a division of the Goddard Space Flight Center (GISS), and is Adjunct Professor of Earth and Environmental Sciences at Columbia University's Earth Institute.

«A warning message from our magnetometer network developed by Trinity and the Dublin Institute for Advanced Studies notified me of the onset of a large geomagnetic storm as I watched the Saint Patrick's Day parade with my family,» according to Professor Peter Gallagher, head of solar physics and space weather at Trinity.

«The fact that such small changes to the analysis make the difference between a hiatus or not merely underlines how fragile a concept it was in the first place,» Gavin Schmidt, the head of the NASA Goddard Institute for Space Studies, said.

A team headed by Professor Oliver Ullrich from the University of Zurich's Institute of Anatomy is now conducting an experiment on the International Space Station (ISS) to study whether this also applies to human cells.

Psychologists also tackled problems of publication bias head - on, he said, referring to a tendency for studies that are new and flashy to get more space in the journals than replications of previous work; that's the case even though replications are what show that science is strong.

But February's numbers prompted Gavin Schmidt, who heads NASA's Goddard Institute of Space Studies, which keeps the agency's temperature data, to comment on the extraordinary record on Twitter.

g (acceleration due to gravity) G (gravitational constant) G star G1.9 +0.3 gabbro Gabor, Dennis (1900 — 1979) Gabriel's Horn Gacrux (Gamma Crucis) gadolinium Gagarin, Yuri Alexeyevich (1934 — 1968) Gagarin Cosmonaut Training Center GAIA Gaia Hypothesis galactic anticenter galactic bulge galactic center Galactic Club galactic coordinates galactic disk galactic empire galactic equator galactic habitable zone galactic halo galactic magnetic field galactic noise galactic plane galactic rotation galactose Galatea GALAXIES galaxy galaxy cannibalism galaxy classification galaxy formation galaxy interaction galaxy merger Galaxy, The Galaxy satellite series Gale Crater Galen (c. AD 129 — c. 216) galena GALEX (Galaxy Evolution Explorer) Galilean satellites Galilean telescope Galileo (Galilei, Galileo)(1564 — 1642) Galileo (spacecraft) Galileo Europa Mission (GEM) Galileo satellite navigation system gall gall bladder Galle, Johann Gottfried (1812 — 1910) gallic acid gallium gallon gallstone Galois, Évariste (1811 — 1832) Galois theory Galton, Francis (1822 — 1911) Galvani, Luigi (1737 — 1798) galvanizing galvanometer game game theory GAMES AND PUZZLES gamete gametophyte Gamma (Soviet orbiting telescope) Gamma Cassiopeiae Gamma Cassiopeiae star gamma function gamma globulin gamma rays Gamma Velorum gamma - ray burst gamma - ray satellites Gamow, George (1904 — 1968) ganglion gangrene Ganswindt, Hermann (1856 — 1934) Ganymede «garbage theory», of the origin of life Gardner, Martin (1914 — 2010) Garneau, Marc (1949 ---RRB- garnet Garnet Star (Mu Cephei) Garnet Star Nebula (IC 1396) garnierite Garriott, Owen K. (1930 ---RRB- Garuda gas gas chromatography gas constant gas giant gas laws gas - bounded nebula gaseous nebula gaseous propellant gaseous - propellant rocket engine gasoline Gaspra (minor planet 951) Gassendi, Pierre (1592 — 1655) gastric juice gastrin gastrocnemius gastroenteritis gastrointestinal tract gastropod gastrulation Gatewood, George D. (1940 ---RRB- Gauer - Henry reflex gauge boson gauge theory gauss (unit) Gauss, Carl Friedrich (1777 — 1855) Gaussian distribution Gay - Lussac, Joseph Louis (1778 — 1850) GCOM (Global Change Observing Mission) Geber (c. 720 — 815) gegenschein Geiger, Hans Wilhelm (1882 — 1945) Geiger - Müller counter Giessler tube gel gelatin Gelfond's theorem Gell - Mann, Murray (1929 ---RRB- GEM «gemination,» of martian canals Geminga Gemini (constellation) Gemini Observatory Gemini Project Gemini - Titan II gemstone gene gene expression gene mapping gene pool gene therapy gene transfer General Catalogue of Variable Stars (GCVS) general precession general theory of relativity generation ship generator Genesis (inflatable orbiting module) Genesis (sample return probe) genetic code genetic counseling genetic disorder genetic drift genetic engineering genetic marker genetic material genetic pool genetic recombination genetics GENETICS AND HEREDITY Geneva Extrasolar Planet Search Program genome genome, interstellar transmission of genotype gentian violet genus geoboard geode geodesic geodesy geodesy satellites geodetic precession Geographos (minor planet 1620) geography GEOGRAPHY Geo - IK geologic time geology GEOLOGY AND PLANETARY SCIENCE geomagnetic field geomagnetic storm geometric mean geometric sequence geometry GEOMETRY geometry puzzles geophysics GEOS (Geodetic Earth Orbiting Satellite) Geosat geostationary orbit geosynchronous orbit geosynchronous / geostationary transfer orbit (GTO) geosyncline Geotail (satellite) geotropism germ germ cells Germain, Sophie (1776 — 1831) German Rocket Society germanium germination Gesner, Konrad von (1516 — 1565) gestation Get Off the Earth puzzle Gettier problem geyser g - force GFO (Geosat Follow - On) GFZ - 1 (GeoForschungsZentrum) ghost crater Ghost Head Nebula (NGC 2080) ghost image Ghost of Jupiter (NGC 3242) Giacconi, Riccardo (1931 ---RRB- Giacobini - Zinner, Comet (Comet 21P /) Giaever, Ivar (1929 ---RRB- giant branch Giant Magellan Telescope giant molecular cloud giant planet giant star Giant's Causeway Giauque, William Francis (1895 — 1982) gibberellins Gibbs, Josiah Willard (1839 — 1903) Gibbs free energy Gibson, Edward G. (1936 ---RRB- Gilbert, William (1544 — 1603) gilbert (unit) Gilbreath's conjecture gilding gill gill (unit) Gilruth, Robert R. (1913 — 2000) gilsonite gimbal Ginga ginkgo Giotto (ESA Halley probe) GIRD (Gruppa Isutcheniya Reaktivnovo Dvisheniya) girder glacial drift glacial groove glacier gland Glaser, Donald Arthur (1926 — 2013) Glashow, Sheldon (1932 ---RRB- glass GLAST (Gamma - ray Large Area Space Telescope) Glauber, Johann Rudolf (1607 — 1670) glaucoma glauconite Glenn, John Herschel, Jr. (1921 ---RRB- Glenn Research Center Glennan, T (homas) Keith (1905 — 1995) glenoid cavity glia glial cell glider Gliese 229B Gliese 581 Gliese 67 (HD 10307, HIP 7918) Gliese 710 (HD 168442, HIP 89825) Gliese 86 Gliese 876 Gliese Catalogue glioma glissette glitch Global Astrometric Interferometer for Astrophysics (GAIA) Global Oscillation Network Group (GONG) Globalstar globe Globigerina globular cluster globular proteins globule globulin globus pallidus GLOMR (Global Low Orbiting Message Relay) GLONASS (Global Navigation Satellite System) glossopharyngeal nerve Gloster E. 28/39 glottis glow - worm glucagon glucocorticoid glucose glucoside gluon Glushko, Valentin Petrovitch (1908 — 1989) glutamic acid glutamine gluten gluteus maximus glycerol glycine glycogen glycol glycolysis glycoprotein glycosidic bond glycosuria glyoxysome GMS (Geosynchronous Meteorological Satellite) GMT (Greenwich Mean Time) Gnathostomata gneiss Go Go, No - go goblet cell GOCE (Gravity field and steady - state Ocean Circulation Explorer) God Goddard, Robert Hutchings (1882 — 1945) Goddard Institute for Space Studies Goddard Space Flight Center Gödel, Kurt (1906 — 1978) Gödel universe Godwin, Francis (1562 — 1633) GOES (Geostationary Operational Environmental Satellite) goethite goiter gold Gold, Thomas (1920 — 2004) Goldbach conjecture golden ratio (phi) Goldin, Daniel Saul (1940 ---RRB- gold - leaf electroscope Goldstone Tracking Facility Golgi, Camillo (1844 — 1926) Golgi apparatus Golomb, Solomon W. (1932 — 2016) golygon GOMS (Geostationary Operational Meteorological Satellite) gonad gonadotrophin - releasing hormone gonadotrophins Gondwanaland Gonets goniatite goniometer gonorrhea Goodricke, John (1764 — 1786) googol Gordian Knot Gordon, Richard Francis, Jr. (1929 — 2017) Gore, John Ellard (1845 — 1910) gorge gorilla Gorizont Gott loop Goudsmit, Samuel Abraham (1902 — 1978) Gould, Benjamin Apthorp (1824 — 1896) Gould, Stephen Jay (1941 — 2002) Gould Belt gout governor GPS (Global Positioning System) Graaf, Regnier de (1641 — 1673) Graafian follicle GRAB graben GRACE (Gravity Recovery and Climate Experiment) graceful graph gradient Graham, Ronald (1935 ---RRB- Graham, Thomas (1805 — 1869) Graham's law of diffusion Graham's number GRAIL (Gravity Recovery and Interior Laboratory) grain (cereal) grain (unit) gram gram - atom Gramme, Zénobe Théophile (1826 — 1901) gramophone Gram's stain Gran Telescopio Canarias (GTC) Granat Grand Tour grand unified theory (GUT) Grandfather Paradox Granit, Ragnar Arthur (1900 — 1991) granite granulation granule granulocyte graph graph theory graphene graphite GRAPHS AND GRAPH THEORY graptolite grass grassland gravel graveyard orbit gravimeter gravimetric analysis Gravitational Biology Facility gravitational collapse gravitational constant (G) gravitational instability gravitational lens gravitational life gravitational lock gravitational microlensing GRAVITATIONAL PHYSICS gravitational slingshot effect gravitational waves graviton gravity gravity gradient gravity gradient stabilization Gravity Probe A Gravity Probe B gravity - assist gray (Gy) gray goo gray matter grazing - incidence telescope Great Annihilator Great Attractor great circle Great Comets Great Hercules Cluster (M13, NGC 6205) Great Monad Great Observatories Great Red Spot Great Rift (in Milky Way) Great Rift Valley Great Square of Pegasus Great Wall greater omentum greatest elongation Green, George (1793 — 1841) Green, Nathaniel E. Green, Thomas Hill (1836 — 1882) green algae Green Bank Green Bank conference (1961) Green Bank Telescope green flash greenhouse effect greenhouse gases Green's theorem Greg, Percy (1836 — 1889) Gregorian calendar Grelling's paradox Griffith, George (1857 — 1906) Griffith Observatory Grignard, François Auguste Victor (1871 — 1935) Grignard reagent grike Grimaldi, Francesco Maria (1618 — 1663) Grissom, Virgil (1926 — 1967) grit gritstone Groom Lake Groombridge 34 Groombridge Catalogue gross ground, electrical ground state ground - track group group theory GROUPS AND GROUP THEORY growing season growth growth hormone growth hormone - releasing hormone growth plate Grudge, Project Gruithuisen, Franz von Paula (1774 — 1852) Grus (constellation) Grus Quartet (NGC 7552, NGC 7582, NGC 7590, and NGC 7599) GSLV (Geosynchronous Satellite Launch Vehicle) g - suit G - type asteroid Guericke, Otto von (1602 — 1686) guanine Guiana Space Centre guidance, inertial Guide Star Catalog (GSC) guided missile guided missiles, postwar development Guillaume, Charles Édouard (1861 — 1938) Gulf Stream (ocean current) Gulfstream (jet plane) Gullstrand, Allvar (1862 — 1930) gum Gum Nebula gun metal gunpowder Gurwin Gusev Crater gut Gutenberg, Johann (c. 1400 — 1468) Guy, Richard Kenneth (1916 ---RRB- guyot Guzman Prize gymnosperm gynecology gynoecium gypsum gyrocompass gyrofrequency gyropilot gyroscope gyrostabilizer Gyulbudagian's Nebula (HH215)

When I contacted Jim Hansen, the former head of NASA's Goddard Institute for Space Studies and an internationally recognized climate - change expert, he replied that Orrin's was a «good choice, in my opinion,» as we prepare for what's coming.

Dr Hansen joined as a judge of the VEC in 2007 whilst serving as the Head of the NASA Goddard Institute for Space Studies.

Transnational Belonging and Subjectivity - in - Process: Contemporary Women Artists» Encounters with Space Chairs: Catherine Dormor, Ph.D., Head of Research Programmes, Royal College of Art and Basia Sliwinska, Ph.D., Senior Lecturer, Critical & Historical Studies, London College of Fashion Speakers: Kathy Battista, Sotheby's Institute of Art, Jane Chin Davidson, California State University, and Aliza Edelman, Independent Curator

Then, head around the corner and up the street to visit the new The Artist Study, a combination art gallery and artist studio space for visiting artists to gather.

An eclectic lineup includes John Russell's giant backlit digital collage that stretches across the space and literally places a (sightless) elephant in the centre of the room; American artist Cecile B Evans» miniature recreation of the study of a fictional architect whose severed head sits on his desk chair while ectoplasmic smoke billows from a corner; and several filmed episodes from the life of American artist and sound designer E Jane's online avatar (who also has a successful musical career and clothing range).

Acting as surrogates for the human form, Rothenberg uses these disembodied puppet legs, heads and arms to demonstrate how the representation of the figure can be transformed into a study of space and form.

2000 The Work Shown in this Space is a Response to the Existing Conditions and / or Work Previously Shown Within the Space III, Neuger Riemschneider, Berlin, DE Sequences, Galerie Roger Pailhas, Marseille, FR La Frontière, Recit d'Expériences, one of several exhibitions collectively entitled «Réseau Galleries / Multilangages de l'Art», Institut d'Art Contemporain - FRAC Rhône - Alps, Villeurbanne / Collège de Prévessin - Moëns (Ain), Academie de Lyon, FR TransAct - Platform for Transitional Activities in the Cultural Field, «Museum in Pro-gress» in cooperation with «Art Pool», Vienna, AT Shoot: Moving Pictures by Artists, Malmö Konsthall / The Cinema Spegeln / Restaurant Hipp, Malmö, SW; Living Art Museum, IS, as part of Kyikar Myndir show, Reykjavik, IS Never Exhibited: Works from the Marieluise Hessel Collection, Center for Curatorial Studies, Bard College, Annandale, New York, US Copyright / Copywrong, Ecole Régionale des Beaux - Arts de Nantes, Nantes, FR Thirtieth Anniversary Benefit Silent Auction, White Columns, New York, US Two by Two for Aids and Art, Dallas Museum of Art, Dallas, Texas, US Dust and Dirt, De Witte Zaal in cooperation with SMAK, Ghent, BE L'Elemento Verbale Nell» Arte Contemporanea, Galleria Martano, Torino, IT; Galleria Martano, Milan, IT Sentimental, Galerie Yvon Lambert, Paris, FR Die Natur der Dinge, NRW - Forum Kultur und Wirtschaft, Düsseldorf, DE Pure, one of several simultaneous exhibitions around UK, collectively entitled On the FRAC Track: A Selection of International Art from the Collection of Fonds Régional d'Art Contemporain (FRAC), Nord - Pas de Calais, Maidstone Library Gallery, Maidstone, UK Under the Apple Tree, Galleria Massimo de Carlo, Milan, IT A Tribute to Robert Hopper, Yorkshire Sculpture Park, West Yorkshire, UK From Here to There - Passageways at Solitude, Akademie Schloss Solitude, Stuttgart, DE Topologies, White Box, New York, US Multiple Configurations: Displaying the Contemporary Portfolio, Busch - Reisinger Museum, Harvard University, Cambridge, Massachusetts, US Heimatweh — Fernlust, Galerie Herbert Winter, Vienna, AT In the Mirror of Space and Time, Listasafns ASÍ, Reykjavik, IS Árátta, Listasafn Kópavogur, Reykjavik, IS Recent Works on Paper, Leo Castelli Gallery, New York, US Présumés Innocents: l'Art Contemporain et l'Enfance, Musée d'Art Contemporain, Bordeaux, FR l'Oeuvre Collective, les Abattoirs, Toulouse, FR Arteast 2000 + The Art of Eastern Europe in Dialogue with the West, from the 1960s to the Present, Moderna Galerija Ljubljana, SL Works by Peter Friedl, Thomas Hirschhorn, Lawrence Weiner, Arndt & Partner [Gallery], Berlin, DE (E Così Via)(And So On): 99 Artisti Della Collezione Marzona, Galleria Comunale d'Arte Moderna e Contemporanea, Rome, IT Collection Lambert en Avignon: Rendez - vous # 1, Rendez - vous # 2, January 12 - December 31, Hôtel de Caumont, Avignon, FR Wallpapers, Art Gallery of Nova Scotia & Nova Scotia College of Art and Design, Halifax, CA Orbis Terrarum: Ways of Worldmaking, Museum Plantin - Moretus, Antwerp, BE Drawings 2000, Barbara Gladstone Gallery, New York, US Von Edgar Degas bis Gerhard Richter / Arbeiten auf Papir aus der Graphischen Sammlung..., Kunstmusem Winterthur, Winterthur, US; Nationalgalerie Prag, CZ; Rupertinum, Salzburg, AT; Westfälischer Landesmuseum, Münste, DE; Neues Museum, Nürnberg, DE Proposals from Halifax: An Exhibition of Selected Typescripts, Flyers, Posters, Catalogues, Books, Mailers and Postcards of a Conceptual Nature Produced From 1969 to 1999 by Affiliates of the Nova Scotia College of Art and Design (NSCAD), Library and Archives - National Gallery of Canada, Ottawa, CA Stanze, Museums für Moderne Kunst / Museo d'Arte Moderna, Bozen / Bolzano, IT Tempus Fugit - Time Flies, Nelson - Atkins Museum of Art, Kansas City, Kansas, US In Process: Photographs from the 60s and 70s, Curt Marcus Gallery, New York, US Many Colored Objects Placed Side by Side to Form a Row of Many Colored Objects: Anton & Annick Herbert Collection, Casino Luxembourg - Forum d'Art Contemporain, LUBeyond Preconceptions: The Sixties Experiment, Independent Curators Inc., New York, US; traveling exhibition Hard - Pressed: 600 Years of Print and Process, International Print Center, New York, US Changing Perceptions: The Panza Collection, Guggenheim Museum, Bilbao, ES Talking Heads: Arti e Letterature nell» era della Globalizzione, Commune di Padova - Settore Attività Culturali, Padua, IT Festival de les Arts, Fundació Pro-Penedès, Barcelona, ES Editions and Multiples 1990 - 2000, Helga Maria Klosterfelde, Hamburg, DE Collection Lambert, Fundacio ProPenedès, Barcelona, ES

(05/16/2012) In March 2012 the head of NASA's Goddard Institute for Space Studies and well - known climatologist, James Hansen, spoke at a TED conference to explain what would push a 70 - year - old scientist to participate in civil disobedience against mountaintop coal mining and the Keystone Pipeline, even leading to several arrests.

And yet, as James Hansen, the head of NASA's Goddard Institute for Space Studies, observes, «the five - year mean global temperature has been flat for a decade.»

Sea levels could rise by several metres by the end of the century if global warming continues along its current path, according to James Hansen, head of NASA's Goddard Institute for Space Studies.

James Hansen, former head of NASA's Goddard Institute for Space Studies and known as the «father of global warming,» speaks at a climate change protest in Washington D.C. Hansen, together with 16 other scientists, will publish a paper this week claiming that the threat of global warming is far greater than anyone has suspected.

James Hansen is the former head of the NASA Goddard Institute for Space Studies.

The problem was most clearly identified by the school child that took the head of NASA Goddard Institute for Space Studies — Dr. James Hansen (also NASA's head AGW propaganda czar)-- to task for deceit [3].

James Hansen, adjunct professor, Department of Earth and Environmental Sciences, Columbia University and former Head of the NASA Goddard Institute for Space Studies claims the melting ice could lead to the point where ocean floor warming triggers massive release of methane hydrate, i.e., methane molecules trapped in ice crystals, which would become a «tipping point.»

Habibullo Abdussamatov, the head of space research at Pulkovo and the author of the study, has been predicting the arrival of another little ice age since 2003, based on his study of the behaviour of the Sun's different cycles and the solar activity that then results.

It includes a claim by James Hansen, a climate researcher who headed NASA's Goddard's Institute for Space Studies for more than 30 years and first warned Congress of global warming in 1988.

Some climate scientists, including James E. Hansen, former head of the nasa Goddard Institute for Space Studies, say we must also consider slower feedbacks such as changes in the continental ice sheets.

Svensmark is the head of the Center for Sun - Climate Studies at the National Space Institute in the Technical University of Denmark.

David Schnare heads the Environmental Law Center at the ATI, which since its inception in 2009 has sued the employers and former employers of a number of climate scientists, including Mann and James Hansen, the outspoken head of the NASA Goddard Institute for Space Studies.

«I don't see any evidence of that,» said climate scientist Gavin Schmidt of NASA's Goddard Institute for Space Studies, which Hansen formerly headed.

James Hansen, head of NASA's Goddard Institute for Space Studies and arguably the world's most eminent climate scientist, has recently expressed the challenge in the starkest terms:

«The actions are practically worthless,» said James Hansen, a climate researcher who headed NASA's Goddard's Institute for Space Studies for over 30 years and first warned congress of global warming in 1988.

Cynthia Rosenzweig is a Senior Research Scientist at the NASA Goddard Institute for Space Studies, where she heads the Climate Impacts Group.

Renowned climatologist and Head of NASA's Goddard Institute for Space Studies James Hansen recently wrote a short essay, explaining the path from developing scientific understanding, to improving civil implementation of that knowledge — or how he became «an activist»:

Those in the know like erudite James Hansen, the head of NASA's Goddard Institute for Space Studies, observe, «the five - year mean global temperature has been flat for a decade.»

«If we don't get this thing under control we are going to destroy the creation,» said James Hansen, who heads the NASA Goddard Institute for Space Studies and was one of the first scientists to raise the alarm about global warming in the 1980s.

«It's just plain silly,» said James Hansen, a climate change researcher who headed Nasa's Goddard Institute for Space Studies for over 30 years.

The Ridenhour Courage Prize was awarded this year to climate scientist James Hansen, recently retired as head of the NASA Goddard Institute for Space Studies.

For most of his career Hansen was the head of NASA's Goddard Institute for Space Studies (GISS) in New York City, near Columbia University and over Tom's Restaurant from the comedy Seinfeld.

Head, NASA Goddard Institute for Space Studies

Now 70, Hansen heads the NASA Goddard Institute for Space Studies in New York City.

James Hansen, the alarmist head of NASA's Goddard Institute for Space Studies (GISS), regularly refers to past eras as a warning of the climate catastrophes that could occur today.

In the best - known case, James Hansen, who heads NASA's Goddard Institute for Space Studies in New York, says the administration has tried to muzzle his criticism of White House policy on global warming.

James Hansen, head of NASA's Goddard Institute for Space Studies, addresses a crowd of protesters at a White House climate change rally in October 2010 / Credit: Chesapeake Climate

One of the most venerated scientists of our time, James Hansen is the head of NASA's Goddard Institute for Space Studies, a position he's held for three decades.