Emily Lakdawalla • Nov 26, 2009
Spectacular animation of Halley's comet
It's a holiday and I'm enjoying time with the family, so rather than write a lot, I will let a spectacular image do the talking for me. Here is an animation of data from ESA's first interplanetary spacecraft, Giotto, launched to study Halley's comet during its 1986 apparition. These data are incredibly difficult to work with, but finally someone -- an amateur named Daniel Macháček -- came along who carefully reprojected each of the tiny postage stamp-sized images to create a window onto the comet, a window that jerks around more and more as the spacecraft gets hammered by Halley debris.
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