If Earth orbited the Sun in 9 months rather than 12, then, compared with a sidereal day, a solar day would be Naim 02:53 Astronomy If Earth orbited the Sun in 9 months rather than 12, then, compared with a sidereal day, a solar day would be A) Longer B) Shorter C) Unchanged Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+