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20 Cards in this Set
- Front
- Back
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this is 384,400 kilometers from the earth
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what is the moon
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The amount of days it takes the moon to revolve once around earth
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what is 27.3 days
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This occurs whenthe moon'[s shadow hits Earth or Earth's shadow hits the moon
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What is a eclipse
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This occurs when there is a full moon when Earth is directly between the moon and the sun
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what is a lunar eclipse
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this term implies the darkest part of moon's shadows
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what is umbra
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This star's atmosphere has three layers--its photosphere, chromosphere and the corona.
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what is the sun's atmospheres
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This is the type of energy the sun gets its energy
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what is nuclear fusion
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term for areas of gas on the sun that are cooler than the gases around them
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what is sunspots
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This is the gas that three fourths of the sun's mass is comprised of
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what is hydrogen
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a gas that up 20% of the earth's atmosphere
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what is oxygen
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70% of the earth is covered by this
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what is water
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branch of science that is the study of the moon starts and other objects in space
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What is astronomy
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This is the measurement of distance from the equator expressed in degrees North and South
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What is latitude
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In this year which occurs every four years the month of February has only 29 days instead of 28
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What is a leap year
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I am a Italian atronomer who is credited with inventing the telescope
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Galileo
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I am famous astronaut and I am remembered for saying " One step for man, one giant step for mankind"
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Who is Neil Armstrong?
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Pits on the moon's surface
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What is craters?
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The force that pulls the moon and Earth towards each other and is responsible for the tides.
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What is gravity?
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What county's people are
credited with developing the first calender of 365 days by dividing into a year |
Who are the Egyptians
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the outer layer of the sun's atmosphere
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What is the corona
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