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Emc2
Legend Username: Emc2
Post Number: 36715 Registered: 03-2008 Posted From: 108.48.4.211
Rating: N/A Votes: 0 (Vote!) | | Posted on Wednesday, November 12, 2014 - 01:43 pm: |
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Copy_paste:
gravity and planetary orbit, anduke 10yrs pattindi |
   
Copy_paste
Comedian Username: Copy_paste
Post Number: 1491 Registered: 07-2013 Posted From: 70.42.29.13
Rating: N/A Votes: 0 (Vote!) | | Posted on Wednesday, November 12, 2014 - 01:36 pm: |
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Tifosi:
ayya meeru nolan ayya |
   
Tifosi
Comedian Username: Tifosi
Post Number: 1417 Registered: 02-2008 Posted From: 71.21.207.163
Rating: N/A Votes: 0 (Vote!) | | Posted on Wednesday, November 12, 2014 - 01:18 pm: |
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Copy_paste:it is just 220 pounds and how could it travel so far and so long...what is the source to keep it running?
short answer gravity long answer, with every swing by of a celestial object it gains speed due to momentum captured from the object. Once it reaches the right trajectory, rockets fire to separate it from the orbit and launch it to the next swing by |
   
Copy_paste
Comedian Username: Copy_paste
Post Number: 1490 Registered: 07-2013 Posted From: 70.42.29.13
Rating: N/A Votes: 0 (Vote!) | | Posted on Wednesday, November 12, 2014 - 12:56 pm: |
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http://www.cnn.com/2014/11/12/world/comet-landing-countdown/ index.html?hpt=hp_t1 Un-manned spacecraft Philae travelled 10 billion kms in 10 years and lands on comet - European Space Agency ---- it is just 220 pounds and how could it travel so far and so long...what is the source to keep it running? |