Lesson 4: Vocabulary Flashcards Preview

Astronomy > Lesson 4: Vocabulary > Flashcards

Flashcards in Lesson 4: Vocabulary Deck (15)
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1
Q

Saturn

A

Sixth planet from the sun, has a big set of rings.

2
Q

Uranus

A

Seventh planet from the Sun, tipped on it’s side

3
Q

Neptune

A

Eighth planet from the Sun, has right satellites

4
Q

Pluto

A

Dwarf planet

5
Q

Asteroids

A

Rocky fragments that are larger than a few hundred meters across

6
Q

Meteoroids

A

Chunks of rock

7
Q

Meteor

A

Brief flash of light visible when a meteoroid strikes the earth’s atmosphere

8
Q

Meteorites

A

If meteoroid fragments survive and strike the earth

9
Q

Comet

A

Dirty snowball

10
Q

Nucleus

A

Solid part of comet

11
Q

Coma

A

Haze surrounding the nucleus

12
Q

Ion Tail

A

Ionized atoms that are swept directly away from the Sun by the solar wind

13
Q

Dust Tail

A

Dust particles that are blown away from the Sun by the solar wind

14
Q

Oort Cloud

A

A vast reservoir of comets orbiting about 50,000 AU from the Sun

15
Q

Jupiter

A

Largest of the planets and the fifth planet from the Sun