Aerospace Module #5A
Terms
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- An enormous collection of stars arranged in a particular shape is called a ______.
- galaxy
- A grouping of stars named after mythical figures and animals is called a _____.
- constellation
- Stars are hot bodies of gases composed of _____ and ______.
- hydrogen,helium
- Small amounts of gravity or low gravity are called ______.
- microgravity
- Galaxies contain giant clouds made of gas and dust which are called?
- nebulae
- Radiation belts filled with charged particles
- Van Allen belts
- Region beyond the Earth's atmosphere where there is very little molecular activity
- Space
- A region in space where no radiation is emitted ____ _____.
- black hole
- When a meteoroid enters into the Earth's atmosphere it is called a _______.
- meteorite
- The only planet to rotate in a clockwise manner is ______?
- Venus
- Which planet is a dark and frozen planet 4 billion miles from the Sun?
- Pluto
- Which planet is known as the windiest planet in the solar system?
- Neptune
- A small icy body orbiting the sun is called a _____.
- comet
- A small rocky body orbiting the sun is called an _______.
- asteroid
- Short-lived high energy discharges are called ____ ____.
- solar flares
- Darker, cooler areas of the sun are known as ______.
- sunspots
- Large energy discharges that are thousands of miles high and last for months are called _____ ________.
- solar prominences
- The closet planet to the Sun?
- Mercury
- This planet is known as the Red Planet?
- Mars
- In July 1997, the space probe Pathfinder landed on Mars. The Pathfinder's rover ______ ______ began its exploration of the planet.
- Sojourner Truth
- The largest planet in the solar system?
- Jupiter
- This planet has seven distinct rings round it.
- Saturn
- This planet has a bluish greenish color because of the methane in its upper atmosphere.
- Uranus
- The smallest planet in our solar system.
- Pluto