 | Comet Hartley 2, designated as 103P/Hartley by the Minor Planet Center, is a small periodic comet with an orbital period of 6.48 years. It was discovered... 21 KB (1,882 words) - 23:30, 20 January 2024 |
 | permit a flyby. Instead, the team decided to send Deep Impact to comet 103P/Hartley requiring an extra two years. NASA approved the additional funding required... 20 KB (1,763 words) - 15:28, 19 February 2024 |
 | EPOXI, with a dual purpose to study extrasolar planets and comet Hartley 2 (103P/Hartley). Communication was unexpectedly lost in August 2013 while the... 62 KB (6,336 words) - 08:40, 17 March 2024 |
 | three times that of Earth's seawater. Another Jupiter family comet, 103P/Hartley 2, has a D/H ratio which is consistent with Earth's seawater, but its... 38 KB (4,640 words) - 14:22, 30 April 2024 |
(Tsuchinshan–ATLAS) C/2023 E1 (ATLAS) C/2021 T4 (Lemmon) C/2023 P1 (Nishimura) 103P/Hartley 2P/Encke 62P/Tsuchinshan 12P/Pons–Brooks brightening multiple times Space... 324 KB (28,844 words) - 07:11, 13 May 2024 |
 | measurement of deuterium amounts of 161 atoms D per million hydrogen in Comet 103P/Hartley (a former Kuiper belt object), a ratio almost exactly that in Earth's... 71 KB (8,805 words) - 20:35, 12 May 2024 |
 | power jets of material flowing out of a comet nucleus. Infrared imaging of Hartley 2 shows such jets exiting and carrying with it dust grains into the coma... 144 KB (15,291 words) - 08:32, 4 May 2024 |
California to witness the EPOXI mission flyby of comet 103P/Hartley on 4 November 2010. Hartley is credited by the Minor Planet Center with the discovery... 5 KB (390 words) - 08:07, 7 August 2023 |
Comet Hartley is the name of: 100P/Hartley or Hartley 1 103P/Hartley or Hartley 2 110P/Hartley [fr] or Hartley 3 Hartley (disambiguation) This disambiguation... 218 bytes (56 words) - 03:23, 28 December 2019 |
 | (notable) 88P/Howell 92P/Sanguin 96P/Machholz 97P/Metcalf–Brewington 103P/Hartley 107P/Wilson–Harrington 108P/Ciffréo 109P/Swift–Tuttle 122P/de Vico 126P/IRAS... 26 KB (2,257 words) - 22:17, 4 February 2024 |