67P/Churyumov–Gerasimenko - Wikipedia
67P/Churyumov–Gerasimenko (abbreviated as 67P or 67P/C–G) is a Jupiter-family comet. [10] It is originally from the Kuiper belt [11] and has an orbital period of 6.45 years as of 2012, [1] a rotation period of approximately 12.4 hours, [9] and a maximum velocity of 135,000 km/h (38 km/s; 84,000 mph). [12]
67P/Churyumov-Gerasimenko - Science@NASA
2015年1月31日 · Comet 67P/ Churyumov-Gerasimenko made history as the first comet to be orbited and landed upon by robotic spacecraft from Earth. The Rosetta spacecraft, carrying the Philae lander, rendezvoused with this comet in August 2014, and escorted it on its journey to the inner solar system and back out again. Rosetta was a mission of the European Space ...
Subsurface properties and early activity of comet 67P ... - Science
2015年1月23日 · Comet 67P/Churyumov-Gerasimenko is a typical Jupiter family comet (JFC). JFCs are believed to have been injected from the Kuiper belt outside the orbit of Neptune because of gravitational interactions with the giant planets or collisions.
Heads up! Famous comet 67P/C-G nearly closest - EarthSky
2021年10月26日 · 67P/Churyumov-Gerasimenko is an ordinary comet, with a close orbit around the sun. Soviet astronomers Klim Ivanovych Churyumov and Svetlana Ivanovna Gerasimenko discovered it on October 22, 1969....
ESA - Comet 67P/Churyumov-Gerasimenko - European Space …
Comet 67P/Churyumov-Gerasimenko. ESA's Rosetta mission chased down Comet 67P/Churyumov-Gerasimenko for ten years. The comet is a regular visitor to the inner Solar System, orbiting the Sun once every 6.5 years between the orbits of Jupiter and Earth.
On the nucleus structure and activity of comet 67P/Churyumov …
Since 23 March 2014 at a distance of 5 million km, the Optical, Spectroscopic, and Infrared Remote Imaging System [OSIRIS (1)] onboard the Rosetta spacecraft has been regularly imaging the nucleus of comet 67P/Churyumov-Gerasimenko (hereafter 67P) and its dust and gas environment in 25 broad- and narrow-band filters covering the wavelength range...
The Many Faces of Rosetta's Comet 67P
2017年3月21日 · In a second Rosetta study released Tuesday, this one published in Nature Astronomy, scientists make the first definitive link between an outburst of dust and gas from the nucleus of 67P and the collapse of one of its prominent cliffs, which also exposed the comet's pristine, icy interior.
Comet 67P/Churyumov-Gerasimenko - Space Reference
67P/Churyumov-Gerasimenko is a mid-sized comet whose orbit features a relatively short period, low inclination, and is controlled by Jupiter's gravitational effects. NASA JPL has classified 67P/Churyumov-Gerasimenko as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer ...
Comet 67P emits ancient molecular oxygen from its nucleus
2022年3月10日 · Comet 67P/Churyomov-Gerasimenko – arguably the most-studied comet in history – has yielded a cosmic surprise: It emits molecular oxygen drawn from its nucleus.
Complex organosulfur molecules on comet 67P: Evidence from …
2023年6月7日 · The COSIMA (COmetary Secondary Mass Analyzer) instrument has provided insight into the characterization of refractory organics in particles from comet 67P, revealing the detection of high–molecular weight organic matter .