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John Clarke

Professor, Astronomy Associate Chair, Astronomy Director, Center for Space Physics. at Boston University

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  • Boston University

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Biography

Boston University

Professor John T. Clarke obtained his Ph.D in Physics at Johns Hopkins University in 1980. His thesis was on far-ultraviolet observations of Jupiter and Saturn using the IUE satellite and a sounding rocket, including the aurora and dayglow on both planets and the Io plasma torus. He worked as a Research Physicist in the Space Sciences Lab at UC Berkeley from 1980-1984, observing X-ray sources from ground-based telescopes and finding the first evidence for aurora on Uranus. He then worked on the Space Telescope (later the Hubble Space Telescope or HST) project from 1984-1987, first as the Deputy Project Scientist at NASA’s Marshall Space Flight Center and then as the Advanced Instruments Project Scientist at the Goddard Space Flight Center. He moved to the University of Michigan in 1987, and to Boston University in 2001. He has maintained a series of HST observations of planetary atmospheres and aurora since the 1990 launch of HST, and was on the science team for the WFPC 2 (the replacement camera that repaired the focus on HST). He also has an active sounding rocket research program, and is a Co-I on the MAVEN mission to Mars. He is best known for his HST observations of the aurora on Jupiter and Saturn, and has published more than 180 papers in refereed journals, including every planet except Mercury and the interplanetary medium.

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Cases

Mars makes splash: Search for alien life may not be all wet

September 29, 2015

Boston Herald John Clarke, College of Arts & Sciences The discovery of running water on the surface of Mars is being hailed by Hub-area scientists as a major breakthrough that could significantly move up a manned mission to the Red Planet and finally lead to finding alien life in our solar system… Expert quote: “Another […]

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Experts Media Alert – New Horizons spacecraft ready to make historic flyby of Pluto

July 9, 2015

After traveling 3.6 billion miles through space, The New Horizons spacecraft is set to come within 6,200 miles of Pluto in less than one week. The space probe will make history at 7:49 a.m. on July 14 as it becomes the first spacecraft to do a flyby of the dwarf planet. NASA launched New Horizons in 2006. The following […]

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Aurora Flare-ups on Jupiter Caused by Volcanic Moon Io

April 29, 2015

Space.com John Clarke, College of Arts & Sciences Jupiter’s supervolcanic moon Io is apparently responsible for dramatic brightenings of the giant planet’s stunning blue auroras, a new study suggests… View full article quoting expert John Clarke

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The Conversation US – John Clarke

April 24, 2015

Hubble in pictures: astronomers' top picks Tanya Hill, Museum Victoria In this special feature, we have invited top astronomers to handpick the Hubble Space Telescope image that has the most scientific relevance to them. The images they’ve chosen aren’t always the colourful glory shots that populate the countless “best of” galleries around the internet, but […]

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Jubilation as NASA orbiter reaches Mars

September 22, 2014

Nature John Clarke, College of Arts & Science In the end, there were zero minutes of terror for NASA’s latest Mars probe as it closed in on the red planet. After a 10-month, 711-million-kilometre journey, the probe fired its engines flawlessly for 34 minutes and 26 seconds on 21 September, letting itself be gravitationally captured […]

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NASA robotic probe slips into orbit around Mars

September 22, 2014

Reuters John Clarke, College of Arts & Sciences A NASA robotic spacecraft fired its braking rockets on Sunday, ending a 10-month journey to put itself into orbit around Mars and begin a hunt for the planet’s lost water… Expert quote: “By learning the processes that are going on today we hope to extrapolate back and […]

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NASA’s VeSpR Rocket Sneaks A Peek Of Venus Atmoshpere

November 26, 2013

RedOrbit John Clarke, College of Arts & Sciences A NASA rocket being sent up to study the atmosphere of Venus is slated for launch on Monday; just seven days after the space agency launched a probe to study the Martian atmosphere… Expert quote: “Venus today has a thick atmosphere that contains very little water, but we […]

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Sounding Rocket to Peek at Atmosphere of Venus

November 26, 2013

Science Daily John Clarke, College of Arts & Sciences A week after launching a new orbiter to investigate the upper atmosphere of Mars, NASA is sending a sounding rocket to probe the atmosphere of Venus… Expert quote: “Venus today has a thick atmosphere that contains very little water, but we think the planet started out […]

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Next stop, Mars: NASA’s Maven spacecraft blasts off on a 10-month journey

November 18, 2013

Computerworld John Clarke, College of Arts & Sciences NASA’s Maven spacecraft blasted off from Cape Canaveral Air Force Station today for a 10-month journey to the Red Planet… Expert quote: “Scientifically, this is very important. The rovers want to find little things on the surface today, and Maven is interested in the long-term history of […]

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With clouds aloft, the only way to see transit of Venus may be via live feed

June 5, 2012

Boston Globe John Clarke, College of Arts & Sciences With a dull dome of gray clouds capping Massachusetts today, people who were hoping to have the rare experience of observing a transit of Venus will likely be thwarted… View article

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