Comet C 2014 Q2 Lovejoy
Bildnummer 12631953
| Comet C/2014 Q2 (Lovejoy) is seen here in the constellation of Taurus on 10 January 2015. At the time the comet was a naked-eye object at about magnitude 4. Comets are large balls of ice and dust that formed early in the history of the solar system. Heat from the Sun sublimates the ice in the comet, forming the coma. Dust is also released from the nucleus, but this comet is relatively dust poor. The blue-green color of the coma comes from diatomic carbon molecules fluorescing from ultraviolet light from the Sun. The blue color of the ion tail, seen here stretching out from the coma to the upper left, comes from fluorescing carbon monoxide ions. The ion tail points directly away from the Sun. C2014 Q2 passed closest to the Earth on January 7 at a distance of 70 million km and reached perihelion on January 30, 2015 when it passed at 193, 000, 000 km from the Sun. This long-period comet was discovered in August 2014 by Terry Lovejoy. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Lodriguss, Gerard |
| Bildgröße: | 4824 px × 3216 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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