EXTRA CREDIT: If possible, provide a one or two word correction for each of the incorrect statements
Planetary Formation
A) The Solar System is thought to have formed from a vast rapidly
spinning interstellar cloud of dust.
B) The first two spacecraft
sent to Mars, Viking 1 and 2, were flyby missions.
C) Many of the
discovered
extrasolar planets circle their parent stars at less than 0.1AU.
D) The smallest known extrasolar planets around main sequence stars
are Earth-sized.
B) False. Cross out ``Viking 1 and 2'' [1.5 points]
Extra Credit: replace with ``Mariner 4 and 6'' [+0.5 points]
C) True. [1.5 points]
D) False. Cross out ``Earth-sized'' [1.5 points]
Extra Credit: replace with ``Jupiter-sized'' [0.5 points]