Question

name:
extraterrestrial objects mini - assessment
directions: answer the following questions.

1. what extraterrestrial object is also called a planetoid?

a. asteroid
b. comet
c. meteoroid

1. what extraterrestrial object produces a coma and tail as it burns gas and dust when passing close to the sun?

a. asteroid
b. comet
c. meteoroid

1. what is the smallest extraterrestrial object?

a. asteroid
b. comet
c. meteoroid

1. what is the difference between a meteor and meteorite?

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1. what is one characteristic that all extraterrestrial objects share?

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Explanation:

1. Asteroids are also known as planetoids. They are rocky - metallic bodies in space.
2. Comets develop a coma and tail when they approach the sun due to the sublimation of ices and expulsion of dust.
3. Meteoroids are the smallest among asteroids, comets, and meteoroids.
4. A meteor is a streak of light in the sky when a meteoroid enters Earth's atmosphere and burns up. A meteorite is a meteoroid that survives the passage through the atmosphere and lands on Earth's surface.
5. All extraterrestrial objects are located outside of Earth's atmosphere and orbit the sun (in the context of our solar - system extraterrestrial objects).

Answer:

1. a. Asteroid
2. b. Comet
3. c. Meteoroid
4. A meteor is a streak of light in the sky when a meteoroid enters Earth's atmosphere and burns up. A meteorite is a meteoroid that survives the passage through the atmosphere and lands on Earth's surface.
5. They are located outside of Earth's atmosphere and orbit the sun (in the context of our solar - system extraterrestrial objects).