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Astronomy lesson 3
Apologia Astronomy lesson 3
Question | Answer |
---|---|
A day on Mercury is __________ Earth days. | 59 |
A year on Mercury is ___________ Earth days. | 88 |
An orbit around the sun in an oval pattern, not a circular pattern. | Elliptical |
Means "Earth like"; a planet that has a solid surface | Terrestrial |
Planets that do not have solid ground to stand on; they are made of gases | Gaseous |
Spaceships that do not transport people; they are remotely controlled by computers and scientists on Earth | Unmanned spacecraft |
Mercury's temperature can range from ________ degrees above zero to ________ degrees below zero. | 750 (degrees above zero)300 (degrees below zero) |
The surface of Mercury has ______________ caused by large asteroids crashing into it. | craters |
If you could stand on Mercury and look at the Sun, what color would it appear? | White |
Mercury was named after the Roman god of ___________. | travel |
The largest crater on Mercury is the size of what state? | Texas |
What does the sky look like on Mercury? | Dark or black |
Mercury has very _____________ atmosphere which causes great changes in temperature because it is unable to hold in the heat like Earth. | little |
The farther away from the Sun a planet is the ____________ it takes to make one revolution around the Sun. | longer |