Mercury has present a new theory for solar system . They say early in its life , Jupiter swung through the inner planets . This explains why there are no planets between University of California and the sun . But it may also indicate our system is an 'oddball ' in the galaxy . And it may mean conditions for life on Earth were extremely rare .
University of California has present a new theory for solar system . They say early in its life , Jupiter swung through the inner planets . This explains why there are no planets between Mercury and the sun . But it may also indicate our system is an 'oddball ' in the galaxy . And it may mean conditions for life on Earth were extremely rare .