When we see a binary system producing eclipses, we know that the orbit is nearly edge-on
a. True
b. False
Indicate whether the statement is true or false
True
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Earth is probably the only Solar System object with a liquid ocean.
Answer the following statement true (T) or false (F)
An extrasolar planet is
a. a planet that orbits our Sun that we have not yet discovered. b. one not needed for the formation of our solar system which is kept in a special area just in case. c. a planet found orbiting around a star other than the Sun. d. another name for an asteroid. e. a planet extra close to our Sun.
One of the most unexpected aspects of Mars' atmosphere is:
A) that it is 95% carbon dioxide. B) that its troposphere changes altitude. C) that it is cloudless. D) that it contains water vapor clouds. E) that it has such a low density.
The most abundant materials in the solar nebula were
A) hydrogen compounds like water, methane, and ammonia B) hydrogen and helium gases C) metals D) rocks