Asteroids, Meteors, Meterorites Flashcards

1
Q

are found in our solar system, each with its own unique composition and characteristics

A

Asteroids, Meteoroids, Comets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

have an outer layer of ice surrounding their core material

A

comets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the outer layer of comets turns to gas as it nears the sun, creating the? ___ and ____

A

coma and tail

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

have highly elliptical orbits, allowing them extended periods away from the sun

A

comets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

mostly irregularly-shaped chunks of rock, with sizes ranging from a few tens of meters to hundreds of kilometers

A

asteroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

most come from the asteroid belt located between mars and jupiter

A

asteroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

sometimes collide with eachother, resulting in dents or breaking off into smaller pieces

A

Asteroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

____ are meteoroids that burn up as they enter Earth’s atmosphere, producing a streak of light

A

meteors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

often call these as shooting stars

A

meteors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

are pieces that break off from asteroids or debris left behind by comets

A

meteoroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the fragments that land on earth

A

meteorites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

T o F

most meteors burn up before landing on Earth

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How big is an asteroid?

A

1-100+ km in diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How big is an meteoroid?

A

wide side range, can be as small as dust, but generally smaller than asteroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How big is a comet?

A

1-10 km in diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

______ ______ and ______ were formed around the same time as our solar system

A

asteroids, meteoroids, comets

17
Q

have minimal to no impact on the Earth’s surface

A

meteorites

18
Q

can potentially have significant and drastic effects on Earth

A

larger asteroids

19
Q

small rocky solar object found in the asteroid belt between mars and Jupiter

20
Q

when the molecules around the meteoroids rub against them, they start what?

21
Q

When this burning meteoroid passes through the earths atmosphere it is called what,?

22
Q

and when that meteor survives through the atmosphere and collides with the earth’s surface it is called a?

23
Q

Some meteors burn brighter than the rest often known as?

24
Q

some fireballs appear even brighter than the planet?

25
there's a small percentage of meteoroids that follow a particular path to the earths atmosphere and then back out again. those are called?
grazing fireballs
26
About how many million meteors enter the earths atmosphere every day
25 million
27
What happens to the 25 million bakers that entered the earths atmosphere?
Most of them burn up
28
what is the result of the burned meteors that enters the earths atmosphere everyday?
They give out 1,000,000 kg of dust that settle on the Earth surface
29
What are the three types of meteorites?
Stony iron magnetic
30
_______ are bodies of meteoroids
Asteroids
31
nearly ____ meteorites reach earth's surface every year out of which only ___ to ___ reach the scientists for their study
500 5 to 6