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- NASA Briefing on First Mission to Study Mars Interior
NASA Invites Media to Discuss First Mission to Study Mars Interior First Interplanetary Launch from West Coast NASA’s next mission to the Red Planet will be the topic of a media briefing at 2 p m PDT (5 p m EDT) Thursday, March 29, at NASA's Jet Propulsion Laboratory in Pasadena, California
- MEASUREMENTS OF HYAKUTAKE SUGGEST NEW CLASS OF COMETS
May 31, 1996 Douglas Isbell Headquarters, Washington, DC (Phone: 202 358-1753) Jim Sahli Goddard Space Flight Center, Greenbelt, MD (Phone: 301 286-0697)
- Kuiper Belt and Oort Cloud - NASA Solar System Exploration
National Aeronautics and Space AdministrationNational Aeronautics and Space Administration Pluto’s Orbit Typical KBO Orbit Oort Cloud Eris Kuiper
- In Depth | 1P Halley – NASA Solar System Exploration
Halley's Connection to Meteor Showers Each time Halley returns to the inner solar system its nucleus sprays ice and rock into space This debris stream results in two weak meteor showers each year: the Eta Aquarids in May and the Orionids in October
- In Depth | Kuiper Belt – NASA Solar System Exploration
The small Kuiper Belt Object called Arrokoth is a contact binary It was discovered in 2014 by NASA’s New Horizons science team, using the Hubble Space Telescope
- In Depth | C 2012 S1 (ISON) – NASA Solar System Exploration
Comet ISON appears as a white smear heading up and away from the sun ISON was not visible during its closest approach to the sun, so many scientists thought it had disintegrated, but images like this one from the ESA NASA Solar and Heliospheric Observatory suggest that a small nucleus may still be intact
- In Depth | 2P Encke – NASA Solar System Exploration
Discovery Comet 2P Encke was first discovered by Pierre F A Mechain on Jan 17, 1786 Other astronomers located this comet in subsequent passages, but these sightings were not defined as the same comet until Johann Franz Encke calculated its orbit
- In Depth | Perseids – NASA Solar System Exploration
About the Meteor Shower The Perseid meteor shower, which peaks in mid-August, is considered the best meteor shower of the year With swift and bright meteors, Perseids frequently leave long "wakes" of light and color behind them as they streak through Earth's atmosphere
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