Difference between revisions of "AY Honors/Planetary Science/Answer Key/en"
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Latest revision as of 16:16, 27 October 2025
Planetary Science
Skill Level
2
Year
2025
Version
08.11.2025
Approval authority
South American Division
1
Have the Stars Honor.
For tips and instruction see Stars.
2
What are the three classically used units of measurement for astronomical distance?
3
What is the name and size of the galaxy we live in? What is the closest galaxy to ours?
4
What is a cosmic cloud and what is its relationship with the formation of new stars and planets?
5
What is the Oort Cloud?
6
Give the following characteristics of the planets in the solar system:
6a
Sidereal revolution
6b
Relative gravity
6c
Number of moons
7
What is the importance of meteorites for the study of the universe?
8
Using a telescope (which can be homemade or built from a kit), survey the night sky and identify the visible planets.
