Tag Archives: IUVS

NASA telecon to discuss Mars comet findings

NASA will host a media teleconference at 9 a.m. PST (noon EST) on Friday, Nov. 7, to provide initial science observations of comet C/2013 A1 Siding Spring’s close flyby of Mars and the impact on the Martian atmosphere. Briefing participants … Continue reading

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MAVEN Status update: October 31, 2014

October was a very busy time for the team. We performed a total of three engine burns this month in order to get MAVEN down to its planned science orbit with an orbital period of 4.6 hours and a periapsis … Continue reading

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MAVEN: Comet’s atomic hydrogen coma in UV

The MAVEN spacecraft obtained an ultraviolet image of hydrogen surrounding comet Siding Spring on Friday, October 17th, two days before the comet’s closest approach to Mars. The Imaging Ultraviolet Spectrograph (IUVS) instrument imaged the comet at a distance of 5.3 … Continue reading

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MAVEN: Status update, October 15, 2014

Commissioning activities have gone extremely well over the few weeks since MAVEN entered Mars orbit on September 21. Since then, we have successfully completed four engine burns to lower MAVEN’s orbit. MAVEN now orbits Mars every 4.6 hours with a … Continue reading

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MAVEN: First look at upper atmosphere

NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars, produced unprecedented ultraviolet images of the tenuous oxygen, hydrogen, and carbon coronas surrounding the Red Planet, and … Continue reading

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MAVEN: First images of upper atmosphere

NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has obtained its first observations of the extended upper atmosphere surrounding Mars. The Imaging Ultraviolet Spectrograph (IUVS) instrument obtained these false-color images eight hours after the successful completion of Mars orbit insertion … Continue reading

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