Scientists are able to use the theories of physics to describe the conditions of the universe back to:
A) the moment of the Big Bang.
B) the end of the Planck Epoch.
C) the beginning of GUT.
D) the end of the Radiation Era.
E) the Recombination Epoch.
Question 2Discuss the evidence that suggests that Venus is still very active volcanically.
What will be an ideal response?
Question 3Type M stars evolve to the main sequence faster than our G type Sun.
Indicate whether the statement is true or false
Question 4What perception of the Milky Way Galaxy did astronomers have in 1900?
A) They believed that the Earth rested inside concentric spheres, with the Milky Way stars fixed to the outermost sphere.
B) They believed that the Milky Way was one of billions of galaxies in the universe.
C) They believed that the Milky Way was the entire universe.
D) They believed that, because the Sun was at the center of the Milky Way, it was impossible to see the rest of the universe.
E) They believed we were one of billions galaxies in an expanding universe.
Question 5Which of the following best why we see horizontal stripes in photographs of Jupiter and Saturn?
A) The dark and light stripes correspond to alternating bands of different chemical composition.
B) The light stripes are regions of high clouds, and the dark stripes are regions where we can see down to deeper, darker clouds.
C) There are three different color stripes corresponding to the three different types of clouds found on these planets.
D) Dark stripes are those in which there is a stratosphere and light stripes are those with no stratosphere.
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