article_snippet: The tiny space probe bounced across the comet surface before touching down away from Comet 67P intended landing zone.
article_snippet: The tiny space probe returned plenty of data from the comet surface but ended up in a shady spot where there wasn't enough sunlight to keep The tiny space probe powered -- so then The tiny space probe went to sleep and nothing has been heard since November.
article_snippet: The gravity is so weak that without the harpoons intended to fire from the feet, the probe bounced across the comet.
article_snippet: The mission has detected organic chemicals on the comet surface, though full details of that discovery have yet to be revealed.
article_snippet: And The mission is already changing perceptions of comets.
article_snippet: O'Rourke says instead of a comet being a dirty snowball O'Rourke now thinks of a comet as being "an icy dirtball.
article_snippet: O'Rourke described discoveries of dust and large "boulders" circling the comet after they were blown off by the Sun the Sun during previous orbits, and an image that appears to show a structure the size of a football pitch that has been lifted and then deposited next to the hole.
article_snippet: The mission's about orbiting and following a comet -- watching a comet wake up and then go to sleep again, finding the secrets held by comets.
article_snippet: Scientists have already applauded The mission's success to date.
article_snippet: The Rosetta radar experiment will reveal for the first time how a comet is put together," cosmochemist Denton S. Ebel told CNN in November.
article_snippet: Opinion: How comet mission helps search for alien life .
highlights_snippet: Philae has already detected organic chemicals on the comet surface .