Philae landing on the nucleus of Comet 67P C-G |
Philae landing on the nucleus of Comet 67P C-G |
Sep 23 2014, 12:16 PM
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#31
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Senior Member Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
Now, it's time to open a new section devoted to the landing of the Philae lander itself on the nucleus of Comet 67P C-G. Also to answer better the earlier post, http://www.unmannedspaceflight.com/index.p...st&p=212943 and for your information, here is the quick summary (as a "pdf" file) of the events that are expected to occur during landing on the nucleus and after : it's the timeschedule on which we are working to set up our EPO event in Paris. Sequence_ATTERRISSAGE10_UMSF.pdf ( 263.81K ) Number of downloads: 4623 The landing itself should occur around November 11th. We'll keep you informed |
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Nov 6 2014, 06:21 PM
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#32
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
The math for figuring it out is very very simple. You don't even need to use trig.
Take any image for which there is a quoted range and resolution http://www.esa.int/spaceinimages/Images/20...te_from_30_km_a Which states [quoteThe image was taken by Rosetta’s OSIRIS narrow-angle camera at 07:04 GMT on 12 September 2014 from a distance of about 30 km. The image scale is 0.5 m/pixel and the image covers about 1 km square.[/quote] 30km -> 50cm/pixel So 15km would be 25cm/pixel 3km (closer than they plan to get with Rosetta) would be 5cm/pixel So no - the 2cm figure is probably optimistic. |
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