Which jovian planets have compositions dominated by hydrogen compounds such as methane, ammonia, and water?
A) Uranus and Neptune
B) Saturn and Uranus
C) Jupiter and Neptune
D) Saturn, Uranus, and Neptune
E) Saturn and Neptune
A) Uranus and Neptune
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The largest shield volcano yet discovered is
A) Maxwell Mons on Venus. B) Kilimanjaro on Earth. C) Olympus Mons on Mars. D) Prometheus on Io. E) Caloris on Mercury.
About how hot does something have to get to glow red hot?
a. 375 degrees F b. 800 degrees F c. 3000 K d. 6000 K
Our Sun will likely die as a Type I supernova in about five billion years
Indicate whether the statement is true or false
Hubble's constant is a "constant" in that its value
A) is the same across all of space and does not change on human time scales. B) stays the same at all times. C) is a value calculated from models, and therefore not affected by observations. D) always stays the same unless the expansion rate is accelerating.