Comet ISON - Wikipedia
Comet ISON, formally known as C/2012 S1, was a sungrazing comet from the Oort cloud which was discovered on 21 September 2012 by Vitaly Nevsky (Віталь Неўскі, Vitebsk, Belarus) and …
A Timeline Of Comet ISON’s Dangerous Journey - NASA
2013年7月15日 · Comet ISON, which will round the sun on Nov. 28, 2013, at a distance of just 730,000 miles from the sun, is what’s known as a sungrazing comet, due to its close …
Comet ISON: Facts & Information | Space
2019年1月4日 · Comet ISON was a sungrazing comet that was expected to put on a spectacular show in Earth's sky in late 2013. However, shortly after rounding the sun's far...
C/2012 S1 (ISON) - Science@NASA
Twelve NASA spacecraft and the International Space Station observed and detected Comet ISON on the final stretch of its multi-million year journey from the Oort Cloud to the solar corona.
Anticipated STEREO observations of Comet ISON - NASA
A number of NASA missions, including STEREO, are planning an observing campaign to observe the comet as it passes by the Sun. Below, we discuss the view that the STEREO …
NASA’s Swift Sizes Up Comet ISON
2013年3月29日 · Comet ISON is now approaching the inner solar system. Discovered last year, the comet remains unusually active for its distance from the sun. If current trends continue, …
Death of a Comet: What We Learned from the Passing of ISON
2013年12月13日 · Comet ISON was a rare interloper in the inner solar system from the faraway Oort Cloud, a sphere of comets that surrounds the sun and planets about a light-year away. Its...
NASA SVS | NASA's Solar Observing Fleet Watch Comet ISON's …
2013年11月22日 · Comet ISON swoops around the sun and through Scorpius. This composite merges an SDO AIA 171 sun image (Nov. 28, 2214 UT), SOHO C2 (2036 UT) and C3 (2030 …
NASA SVS | Comet ISON
2013年11月20日 · Comet C/2012 S1, better known as comet ISON, may become a dazzling sight as it traverses the inner solar system in late 2013. During the weeks before its Nov. 28 close …
NASA SVS | Comet ISON before and during Perihelion
2013年12月10日 · After a year of observations, scientists waited with bated breath on Nov. 28, 2013, as Comet ISON made its closest approach to the sun, known as perihelion. Would the …