# The distance to mars is 7.5 x 1010 meters how long does it take for a radio signal from mars pathfinder to be received by nasa on earth?

light travels at approximately 300,000,000 m/s, so to pass 7.5*1010 meters it would take: 7.5*1010/300,000,000=250 seconds = 4.167 minutes P.S. Mars is not that close, in real life the signal ta... Read More »
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## Witch year did the Mars rover land on Mars?

NASA's twin robot geologists, the Mars Exploration Rovers, launched toward Mars on June 10 and July 7, 2003, to find answers to the questions about water on Mars. They landed on Mars January 3 and ... Read More »
http://wiki.answers.com/Q/Witch_year_did_the_Mars_rover_land_on_Mars

## Would a Mars bar from Mars be more tasty than one from the local shop?

Probably but the even the prices are rocketing. It's a case of shopping the Milky Way.
http://answers.yahoo.com//question/index?qid=20090813101739AAE0xq1

## How comes they have a rover on mars but no one has ever landed on Mars itself?

Because a rover doesn't need to eat, breathe, perspire and doesn't have a psychological meltdown after 9 months away from Earth. People are not designed for space travel, currently the technology i... Read More »
http://wiki.answers.com/Q/How_comes_they_have_a_rover_on_mars_but_no_one_has_ever_lande...

## How did nasa get the Mars rover on Mars?

The Spirit and Opportunity rovers were each launched on an Atlas V rocket, travelled throughout space for about 6 months, then parachuted through Mars's atmosphere and landed by Inflating large air... Read More »
http://wiki.answers.com/Q/How_did_nasa_get_the_Mars_rover_on_Mars

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