bse Messages 16 Reaction score 0 Thread starter Mar 9, 2008 #1 Is there advantage of measuring stellar parallaxes from Mars rather than from Earth? Would it be more accurate than from Earth? Thanks
Is there advantage of measuring stellar parallaxes from Mars rather than from Earth? Would it be more accurate than from Earth? Thanks
Wallace Science Advisor Messages 1,256 Reaction score 0 Mar 9, 2008 #2 Think about how parallax distances are measured. What would make them more accurate? What might the difference between the Earth and Mars be in relation to this? (Hint: parallax measurements require two observations six months apart).
Think about how parallax distances are measured. What would make them more accurate? What might the difference between the Earth and Mars be in relation to this? (Hint: parallax measurements require two observations six months apart).
bse Messages 16 Reaction score 0 Mar 9, 2008 #3 Ok i got it. It's because the distance from Mars to the sun is greater than from the sun to earth, creating a larger baseline.
Ok i got it. It's because the distance from Mars to the sun is greater than from the sun to earth, creating a larger baseline.