Sentences with phrase «type of galaxy in»

The dwarf ellipticals may be the most common type of galaxy in the universe (or maybe the dwarf irregulars are).

This finding promises to tell astronomers more about the evolution and structure of majestic giant spirals, one of the most common types of galaxies in the universe.

The estimates of the number of dwarf irregulars and dwarf ellipticals are based on the proportions of these types of galaxies in nearby groups.

The proportions of the different types of galaxies in the Local Group probably represents the number of the different types of galaxies in the rest of the universe.

Not exact matches

A hip - hop legend is asking people to trade in their iPhones and Galaxies for a new type of smartphone.

Earth is part of our solar system, our solar system is a very small neighborhood in a spiral arm of our galaxy, our galaxy is one of the smaller of the billions of galaxies that are the residue of the Big Bang - this is where we are at right now... using several different types of telescopes analyzing several types of radiation and using our mathematics to calculate distortions in light waves to calculate dimensions, distance and mass — doing this we can generate a physical picture of what is actually happening our there.

Brain and his colleagues started to think about applying these insights to a hypothetical Mars - like planet in orbit around some type of M - star, or red dwarf, the most common class of stars in our galaxy.

In January 2012, Christoph Weniger, a physicist at the University of Amsterdam in the Netherlands, started noticing hints of a strange type of radiation around the center of our galaxIn January 2012, Christoph Weniger, a physicist at the University of Amsterdam in the Netherlands, started noticing hints of a strange type of radiation around the center of our galaxin the Netherlands, started noticing hints of a strange type of radiation around the center of our galaxy.

The event, described today at a NASA news briefing, should yield new insights into the types of stars that existed in the first galaxies.

By measuring about 2,400 Cepheid stars in 19 galaxies and comparing the observed brightness of both types of stars, they accurately measured their true brightness and calculated distances to roughly 300 Type Ia supernovae in far - flung galaxies.

All of these worlds orbit faint ruddy stars known as M dwarfs, the most common type of star in the galaxy.

In August of 2011, researchers discovered SN 2011fe, a type 1a supernova 21 million light - years away in galaxy M101 (images show the galaxy before and after the supernova, with the supernova circled at rightIn August of 2011, researchers discovered SN 2011fe, a type 1a supernova 21 million light - years away in galaxy M101 (images show the galaxy before and after the supernova, with the supernova circled at rightin galaxy M101 (images show the galaxy before and after the supernova, with the supernova circled at right).

Kepler found that the most common type of planet in the galaxy is something between the size of Earth and Neptune — a «super-Earth,» which has no parallel in our solar system and was thought to be almost impossible to make.

More recently, NASA's Kepler spacecraft found that the most common type of planet in the galaxy is something between the size of Earth and Neptune, which has no parallel in our solar system and was thought to be almost impossible to make.

In the Universe, cosmic ray particles are accelerated by galaxy clusters, supernovae, binary stars, pulsars and certain types of supermassive black holes.

To check the value of the Hubble constant that they have obtained from a single object, Schmidt and his colleagues plan to apply their technique to other type II supernovae that have occurred in distant galaxies.

The apparent brightnesses of distant type Ia supernovae then reveal the distances of their galaxies, which in turn give the Hubble constant.

The origin of a fast radio burst in this type of dwarf galaxy suggests a connection to other energetic events that occur in similar dwarf galaxies, said co-author and UC Berkeley astronomer Casey Law, who led development of the data - acquisition system and created the analysis software to search for rapid, one - off bursts.

FRBs are probably not directly related to long gamma ray bursts (another type of explosive event that preferentially occurs in dwarf galaxies), because there are just too few gamma ray bursts and too many FRBs.

Extremely bright exploding stars, called superluminous supernovae, and long gamma ray bursts also occur in this type of galaxy, he noted, and both are hypothesized to be associated with massive, highly magnetic and rapidly rotating neutron stars called magnetars.

In terms of mass they lie between the more commonly found stellar - mass and supermassive types of black hole [3], and could tell us about how black holes grow and evolve within clusters like Messier 15, and within galaxies.

These small, faint systems made up of millions or billions of stars, dust, and gas constitute the most common type of galaxy observed in the universe.

In a paper soon to be published in Publications of the Astronomical Society of Australia, they draw attention to a type of star system discovered in 2000 that bridges the gap between what would traditionally be thought of as a cluster and a galaxIn a paper soon to be published in Publications of the Astronomical Society of Australia, they draw attention to a type of star system discovered in 2000 that bridges the gap between what would traditionally be thought of as a cluster and a galaxin Publications of the Astronomical Society of Australia, they draw attention to a type of star system discovered in 2000 that bridges the gap between what would traditionally be thought of as a cluster and a galaxin 2000 that bridges the gap between what would traditionally be thought of as a cluster and a galaxy.

Known as an ultra-compact dwarf, this type of system has up to a billion stars and can be similar in mass to a galaxy, but it is compact and looks more like a star cluster.

Astronomers have identified a white dwarf star in our galaxy that may be the leftover remains of a recently discovered type of supernova.

In that time frame, a Type III civilization could colonize the entire galaxy, even if their rockets traveled at less than the speed of light.

Based on measurements of the expansion using Type Ia supernovae, measurements of temperature fluctuations in the cosmic microwave background, and measurements of the correlation function of galaxies, the universe has a calculated age of 13.7 ± 0.2 billion years.

Their results indicate that, as previously proposed, the two types of galaxies evolved at the same rate in the early Universe.

The host star of the latest exoplanet, HATS - 6, is classed as an M - dwarf, which is one of the most numerous types of stars in galaxy.

By mining astronomical survey data, we have now found 195 compact elliptical galaxies in all types of environment.

Red dwarfs, by far the most abundant type of star in the galaxy, can create planet - like signals during their powerful flares.

«We are now fully confident that one of the most popular supernova remnants detected in our galaxy was produced by an ordinary type Ia supernova that was first detected more than 400 years ago,» write Andrea Pastorello of Queen's University Belfast and Ferdinando Patat of the European Southern Observatory in Germany in a commentary on the study.

At the same time, Vespa factors in the projected distribution and frequency of star types in the galaxy from which the signal originated to determine the chances that a planet with the characteristics being analyzed would exist.

Although many have been found and they appear to be the most abundant type of exoplanet in the galaxy, current telescopes can tell us little about them.

Type Ia supernovae are explosions that can be seen even in far - away galaxies and help astronomers study the large - scale structure of the Universe.

«Based on what we know about star formation in galaxies of different types, we can infer when and how many black holes formed in each galaxy,» Elbert said.

By comparing differences in the X-ray spectra between Type I and Type II galaxies, the researchers concluded that, regardless of which way the galaxy faces Earth, the central black holes in Type I galaxies consume matter and emit energy much faster compared with the black holes at the center of Type II galaxies.

To test whether this is really happening, Bramante suggests looking for type Ia supernovae in areas with lots of dark matter, the central region of a galaxy, say, and checking to see if their progenitor stars differ from what we expect.

They planned to do so by carefully calibrating the brightness of a well - studied type of supernova in very distant galaxies.

That means the Milky Way could well turn out to be the missing link in a long quest to answer one of science's biggest questions: Are there fundamentally different types of galaxies, as it appears, or do most galaxies merely look different because we're catching them at different stages of a single, common life cycle?

In it they would seek the elusive «dark matter» whose gravity binds the galaxies, a type of radioactivity that would blur the line between matter and antimatter, and protons falling apart as predicted by some particle theories.

There are three main types of galaxies: oval - shaped ellipticals, disk - like spirals and irregulars that don't quite fit in with either of the former classes.

Dwarf galaxies orbiting the Milky Way lack other types of gamma - ray emitters and contain large amounts of dark matter for their size — in fact, they're the most dark - matter - dominated sources known.

The researchers believe that at least 40 billion Type Ia supernovae must have exploded within a relatively short period on cosmological time scales in order to release that much iron and have the force to drive it out of the galaxies.

The rate of star formation may be the determining factor in what type of galaxy will form.

In the search bar, type «Galactic Center» to find the true center of the galaxy.

«Although galaxy collisions of this type are not uncommon, only a few galaxies with eye - like, or ocular, structures are known to exist,» said Michele Kaufman, an astronomer formerly with The Ohio State University in Columbus and lead author on a paper published in the Astrophysical Journal.

And as these stars are the most common type of star in our galaxy, red dwarfs are where astronomers are looking first to make that historic discovery.

Over the past 20 years, surveys of planets around other stars in our galaxy have found the most common types to be «super Earths» and their somewhat larger cousins — bigger than Earth but smaller than Neptune.

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)