Why does NASA work so hard at descovering new things in the universe and very little on earth?
NASA does a lot of work on the earth. In fact, NASA spends twice as much on Mission to Planet Earth as it does on space science (non-earth science). You can see some of JPL’s earth work at http://www.jpl.nasa.gov/earth/ or look at NASA MTPE home page at http://www.hq.nasa.gov/office/mtpe/ QUESTION: From prior questions you have answered it sounds as though DSN tracking works on a sort of “time share” basis (3 contacts/day, 3 contacts/week, etc). Is this because DSN tracks many other missions also? ANSWER from Leif Harcke: For the first 30 days of the mission, the Deep Space Network will track Mars Pathfinder 24 hours per day, 7 days per week. After January 4, 1997, that tracking time will be reduced to 3 passes per day, 3 days per week as you noted. The Deep Space Network has one antenna at each of 3 complexes (Goldstone, California; Canberra, Australia; Madrid, Spain) that is capable of transmitting at the 7 gigahertz radio frequency that commands Mars Pathfinder. Two other projects,
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- Why does NASA work so hard at descovering new things in the universe and very little on earth?
