«It's such a deep - rooted mystery and so difficult to explain that people just don't talk about it,» says Brown, the Richard and Barbara Rosenberg Professor
of Planetary Astronomy.
The surface changes on Pluto are due to extreme temperature variations between seasons, said Mike Brown, professor
of planetary astronomy at Caltech.
He is now the Richard and Barbara Rosenberg Professor
of Planetary Astronomy at Caltech.
«We now have evidence that Europa's ocean is not isolated — that the ocean and the surface talk to each other and exchange chemicals,» says Brown, the Richard and Barbara Rosenberg Professor and professor
of planetary astronomy at Caltech.
Margot, a professor
of planetary astronomy, wanted to ensure that the new system would be easy to follow.
«It's such a deep - rooted mystery and so difficult to explain that people just don't talk about it,» says Brown, the Richard and Barbara Rosenberg Professor
of Planetary Astronomy.
Not exact matches
Ptolemaic
astronomy went on adding
planetary epicycles to remove discrepancies; defenders
of the phlogiston theory were driven to postulate negative chemical weights in order to maintain their paradigm.
«To do this,» explains Antonio Cabrera Lavers, head
of astronomy at the GTC and one
of the authors
of the paper, «we have used for the first time the blue tunable filter
of OSIRIS to take a deep image centred on the emission from the recombination lines
of one
of the oxygen ions in the
planetary nebula 6778.»
So with access to these and other facilities, Canadian astronomers can now work in most
of the subfields
of astronomy, although
planetary science is still underrepresented.
As director
of the
Planetary Exploration and Space
Astronomy directorate
of the Space Science branch, I lead the group that has sponsored this project.
«It's frustrating because it should be a golden age
of planetary exploration because there's so much data that's coming in, but what's missing is the commitment
of funding to interpret the measurements,» says Jim Bell, associate professor
of astronomy at Cornell University and a science team member on the twin Mars rover mission.
«Finding a new dwarf planet beyond Neptune sheds light on the early phases
of planet formation,» said Brett Gladman, the Canada Research Chair in
planetary astronomy at UBC.
«This is the first time we have seen atmospheric bands and waves in brown dwarfs,» said lead author Daniel Apai, associate professor
of astronomy and
planetary sciences at the University
of Arizona in Tucson.
But in a recent paper with co-authors Dorian Abbot and Eliza Kempton in the Astrophysical Journal Letters, Bean describes the need «to think about the techniques and approaches
of astronomy in this game — not as
planetary scientists studying exoplanets.»
Cruz's scientific savvy and coordination skills will come in handy in the next phase
of her career: Starting in October, Cruz will take a position at Science as an associate editor in astrophysics,
astronomy, and
planetary science.
Keith T. Smith Associate Editor Education: M.Sci., Ph.D., University
of Nottingham Areas
of responsibility:
Astronomy,
planetary science E-Mail:
[email protected]
In the universe
of planetary science, most researchers have geophysics or
astronomy degrees.
Knowledge
of astronomy, astrobiology, and
planetary science is also key.
That daunting challenge has now been attempted by a team
of three astronomers: Inwoo Han
of the Korea
Astronomy Observatory, David Black
of the Lunar and
Planetary Institute in Houston, Texas, and George Gatewood
of the Allegheny Observatory
of the University
of Pittsburgh.
Mattia Galiazzo, a postdoctoral fellow in Western's Department
of Physics &
Astronomy, presented his findings at the joint 48th annual meeting
of the Division for
Planetary Sciences (DPS)
of the American Astronomical Society (AAS) and 11th annual European
Planetary Science Congress (EPSC) in Pasadena, California.
«To be able to directly image
planetary birth environments around other stars at orbital distances comparable to the solar system is a major advancement,» said Dr Nikku Madhusudhan
of Cambridge's Institute
of Astronomy, one
of the paper's co-authors.
CARL SAGAN and FRANK DRAKE are professors
of astronomy at Cornell University, where Sagan is director of the Laboratory for Planetary Studies and Drake is director of the National Astronomy and Ionospheri
astronomy at Cornell University, where Sagan is director
of the Laboratory for
Planetary Studies and Drake is director
of the National
Astronomy and Ionospheri
Astronomy and Ionospheric Center.
Along with Harrison and Walton, additional Caltech authors on the paper, «An Ultraluminous X-ray Source Powered by An Accreting Neutron Star,» are postdoctoral scholars Felix Fürst, and Shriharsh Tendulkar; research scientists Brian W. Grefenstette and Vikram Rana; and Shri Kulkarni, the John D. and Catherine T. MacArthur Professor
of Astronomy and
Planetary Science and director
of the Caltech Optical Observatories.
«Magnetic fields provide crucial information about the interiors and evolution
of planets, so it is gratifying that our experiments can test — and in fact, support — the thin - dynamo idea that had been proposed for explaining the truly strange magnetic fields
of Uranus and Neptune,» said Raymond Jeanloz, co-author on the paper and professor in Earth &
Planetary Physics and
Astronomy at the University
of California, Berkeley.
Mars will be targeted as part
of a Guaranteed Time Observation (GTO) project led by Heidi Hammel, a
planetary astronomer and executive vice president
of the Association
of Universities for Research in
Astronomy (AURA) in Washington, D.C..
She is a Principal Investigator in NASA's «Origins
of Solar Systems», «
Planetary Geology and Geophysics», «Outer Planets Fundamental Research», and LASER programs and NSF's «
Planetary Astronomy» program.
In all likelihood, entire careers and even subdisciplines
of astronomy and
planetary science will emerge from studying all the data we can remotely gather from a handful
of promising worlds scattered among the nearest stars.
The spacecraft initially identified 175 possible
planetary systems for follow - up observation from the ground, says Kepler co-investigator Natalie Batalha, a professor
of physics and
astronomy at San Jose State University.
Bruce Betts has completed the lectures for his online 2014 Introduction to
Planetary Science and
Astronomy Course at CSUDH: all are online and you can earn a Certificate
of Achievement for watching them.
I have completed the lectures for my online 2014 Introduction to
Planetary Science and
Astronomy Course at California State University Dominguez Hills (CSUDH): All lectures are free and online at http://
planetary.org/bettsclass and you can earn a Certificate
of Achievement for watching them.
Learn about the formation and origin
of the Solar System and go beyond our neighborhood to investigate exoplanets (planets around other stars) in this video
of class 11
of Bruce Betts» Introduction to
Planetary Science and
Astronomy class.
Lecture 7
of Dr. Bruce Betts» 2015 online Introductory
Planetary Science and
Astronomy course covers asteroid Ceres, the near Earth asteroid threat to Earth (including statistics, past impacts, and information on the Chelyabinsk fireball), and introduces the Jupiter system.
The UA - led team includes researchers from Tucson - based
Planetary Science Institute, geophysicists from the University
of Chicago, the National Optical
Astronomy Observatory in Tucson and Catholic University
of Chile.
I am an Associate Professor
of Astronomy and
Planetary Sciences at The University
of Arizona «s Steward Observatory and Lunar and
Planetary Laboratory.
Explore the physical characteristics and inner workings
of the Sun and then learn all about Stars and Stellar Evolution in this video
of class 12
of Bruce Betts» Introduction to
Planetary Science and
Astronomy class.
The mass and orbit
of planetary candidate «b» is similar to 79 Ceti b, depicted at left with rings and two moons, as imagined by Bacon (more from NASA and
Astronomy Picture
of the Day).
The Kavli Institute for
Astronomy and Astrophysics at Peking University will carry out fundamental research on the origin and evolution
of astrophysical structures, from
planetary systems to the universe as a whole.
Lecture 9
of Dr. Bruce Betts» 2015 online Introductory
Planetary Science and
Astronomy course covers Saturn's moon Titan and the Uranian and Neptunian systems including atmospheres, interiors, rings, and moons including Triton.
Lecture 8
of Dr. Bruce Betts» 2015 online Introductory
Planetary Science and
Astronomy course covers the Galilean Satellites (Io, Europa, Ganymede, Callisto)
of Jupiter, and the Saturnian System including atmosphere, interior, rings, and moons including Iapetus and Enceladus.
Explore the icy moons
of the Jupiter System and tour the Saturnian system in this video
of class 8
of Bruce Betts» Introduction to
Planetary Science and
Astronomy class.
The Airborne
Astronomy Ambassadors project is aimed to measurably enhance student STEM engagement and achievement in selected school districts via professional development for teachers consisting
of: (1) STEM Professional Development in astrophysics and
planetary science delivered via webinars & in - person workshops; (2) a week - long STEM immersion experience at NASA's science research aircraft facility in Palmdale, California, including participation in research flights on the Stratospheric Observatory for Infrared
Astronomy (SOFIA); (3) follow - through involving continuing webinars fostering reflection and connections with astrophysics &
planetary science subject matter experts.
The team is composed
of Catherine Walsh (Leiden Observatory, Leiden University, Leiden, The Netherlands), Ryan A. Loomis (Harvard - Smithsonian Center for Astrophysics, Cambridge, Massachusetts, USA), Karin I. Öberg (Harvard - Smithsonian Center for Astrophysics, Cambridge, Massachusetts, USA), Mihkel Kama (Leiden Observatory, Leiden University, Leiden, The Netherlands), Merel L. R. van't Hoff (Leiden Observatory, Leiden University, Leiden, The Netherlands), Tom J. Millar (School
of Mathematics and Physics, Queen's University Belfast, Belfast, UK), Yuri Aikawa (Center for Computational Sciences, University
of Tsukuba, Tsukuba, Japan), Eric Herbst (Departments
of Chemistry and
Astronomy, University
of Virginia, Charlottesville, Virginia, USA), Susanna L. Widicus Weaver (Department
of Chemistry, Emory University, Atlanta, Georgia, USA) and Hideko Nomura (Department
of Earth and
Planetary Science, Tokyo Institute
of Technology, Tokyo, Japan).
Take a tour
of the Solar System in the video
of class 1
of Bruce Betts» Introduction to
Planetary Science and
Astronomy class.
As the Academies notes in their recent decadal survey,» [t] he search for exoplanets is one
of the most exciting subjects in all
of astronomy...» The report went on to recommend «a program to explore the diversity and properties
of planetary systems around other stars, and to prepare for the long - term goal
of discovering and investigating nearby, habitable planets.»
The TRAPPIST - 1 system has been
of great interest to observers and
planetary scientists because it seems to contain seven planets that are all roughly Earth - sized, Barr and co-authors Vera Dobos and Laszlo L. Kiss said in «Interior Structures and Tidal Heating in the TRAPPIST - 1 Planets» that appears in
Astronomy & Astrophysics.
Department
of Terrestrial Magnetism, Washington, DC (
Astronomy & Earth and
Planetary Science), Rick Carlson, Director
«The kind
of ignition you're talking about is rapid oxidation,» explained Drake Deming, an
astronomy professor at the University
of Maryland who has studied
planetary atmospheres as a scientist for NASA's Goddard Space Flight Center.
As a student at Cornell University, he was introduced to the wonders
of astronomy in a class taught by Professor Carl Sagan, cofounder
of The
Planetary Society, which Nye now leads.
We're live at the Pacific
Astronomy and Telescope Show, with JPL astrodynamicist Steve Chesley and
Planetary Society Director
of Projects Bruce Betts.
While
astronomy enjoyed a true revolution in understanding the remote and energetic bodies
of the universe, geosciences moved beyond just the earth and morphed into a truly comparative
planetary science.