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Timothy ES Review 1
Question | Answer |
---|---|
A chunk of rock in a regular orbit around the sun | asteroid |
A piece of space debris that burns up in the Earth's atmosphere | meteor |
A star that has experienced a very large explosion | supernova |
A ball of ice and dust that orbits the sun, sometimes has a tail | comet |
a large cloud of gas and dust in space | nebula |
the visible surface of the sun | photosphere |
the two main elements found in the sun | hydrogen and helium |
Dark areas on the moon once thought to be oceans | maria |
the sun's atmosphere that spreads out into space | corona |
a meteor that reaches the surface of the earth | meteorite |
a group of stars that can be connected to form a picture | constellation |
an "unofficial" constellation or group of stars | asterism |
one of the darker, cooler areas on the sun's surface | sunspot |
What galaxy contains our solar system? | milky way |
energy that comes from the sun | solar energy |
What color are the hottest stars? | blue |
What color is our sun? | yellow |
What are the two ways the earth moves? | rotation and revolution |
What does the earth's rotation cause? | day and night |
What does the earth's revolution cause? | seasons |
What does the geocentric model state about the universe? | The earth is the center of the solar system |
What does the heliocentric model state about the universe? | The sun is the center of the solar system |
How long does the moon take to rotate on its axis and revolve around the earth? | 27.3 days |
When the moon is positioned between the earth and the moon so we face the dark side, what moon phase is this? | new moon |
This word is used to describe moon phases where the reflected sunlight seems to be "growing" | waxing |
This word is used to describe moon phases where the reflected sunlight seems to be "fading" | waning |