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15) Which of the following best describes the internal structure of Europa?

1) Overall, the requirements for a planet to have a habitable surface seem to be

3) Tidal heating on Io causes

16) Around 4 giga years ago Venus could have been more Earth-like with liquid water on its surface because

12) How do astronomers find exoplanets using the transit technique?

20) As global warming raises the moisture content in our atmosphere, storms will

7) What is the largest moon in the solar system?

14) To detect an exoplanet by means of the Doppler shift, you look for a periodic shift of the spectrum lines:

13) The shorter the period of the Doppler curve

According to Mankoff, in its defeat of Armenia over the Armenian enclave of Nagorno-Karabakh, Turkey supported Baku