Phoenix Site |
Phoenix Site |
Jan 22 2005, 01:21 PM
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
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Aug 31 2005, 04:42 PM
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Senior Member Group: Members Posts: 1636 Joined: 9-May 05 From: Lima, Peru Member No.: 385 |
The Phoenix's probably specific landing site will be selected based on detailed reconnaissance of candidate sites still to be conducted by spacecraft orbiting Mars. The
candidate sites will lie between the northern latitudes of 65 degrees (the equivalent of Fairbanks, Alaska) and 75 degrees (the equivalent of northern Greenland). I am not sure if that by that zone there is permafrost snow because according to the following URL http://phoenix.lpl.arizona.edu/science/ shows that above than 80 degree has a greater change of abundance of water. Will Phoenix land on nude soil or ice surface? About the budget of Phoenix is not considered as a cheap mission comparing to MERs ones: Phoenix's relatively low cost: $US 386 M with 90 days of high activity (primary operations) and other between 30-60 days of low activities (meteorological station). and the MER costs with $US 400 M each one with 90 days of high activity mission. The difference is around $US14 Million. The extract from the dailyspace news: QUOTE In the descent to Mars, however, Phoenix thrusters will gulp and heave out hydrazine. The engine effluents striking the landing spot in which Phoenix will conduct science "is a matter of some concern to those members of the science team," Smith explained. While the most ultra-pure hydrazine is to be used, some un-combusted fuel will reach the surface. "So we are very much worried about this issue," Smith said. "We are trying to find ways that we can work with the soil and try to avoid the contamination from the hydrazine and the exhaust gases.". Is it worth that the Phoenix has own mobility with the $US 16 M as the MER but with four hidden band rovers which will push down after landing in order to move away from its landing place in order to avoid the laboratory misleading analysis results? Rodolfo |
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