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Comet Hartley 2
astronomy
Also known as: 103P/Hartley 2
Learn about this topic in these articles:
Herschel
- In Herschel
…forms of water in Comet Hartley 2 also revealed that the cometary water had the same isotopic signature as the water in Earth’s oceans, which was evidence that Earth’s water may have come from comets. Data gathered by Herschel showed that previous observations had underestimated by a third the amount…
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study of comets
- In comet: Spacecraft exploration of comets
…was retargeted to fly past 103P/Hartley 2, a small but very active comet.
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