Small Solar System Objects Flashcards

(39 cards)

1
Q

What does kometes mean

A

Long hair

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

Write a few sentences to summarize the structure of a comet

A

Solid nucleus. Surrounded by gas and dust from a fuzzy outer layer called coma. And a gas tail

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

The object is slightly smaller than Pluto. It orbits the sun beyond Neptune and is spherical

A

Dwarf planet

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

This object is irregularly shaped. It orbits the sun just outside of Mars

A

Asteroid

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

This object is a chunk of rock and metal. It was once part of another object that orbited the sun

A

Meteoroid

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

This object is composed of ice and rock. It orbits the sun in an elongated orbit, raking many years to complete one orbit

A

Comet

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

Which to types of objects are hardest to tell apart? Why?

A

Asteroid + meteoroid. Because a meteoroid is just a smaller asteroid

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

______ are rocky, while _______ are made of ice and dust

A

Asteroids Comets

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

What is the difference between a dwarf planet and an Asteroid

A

DP have enough gravity to pull together to be a sphere, while asteroids don’t

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

How and why does a comet change as it approaches the sun?

A

It s tail grows because it gets energy/heat from the sun

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

All the solar system objects include

A

Dwarf planets, asteroids, meteoroids, comets

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

Meteoroid

A

A chunk of rock or dust in space, generally smaller then an asteroid

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

Dwarf planet

A

An object that orbits the sun and is spherical, but has not cleared the area of its orbit. And many objects are in the way of its orbit

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

Comet

A

Loose collection of ice, dust, and small rock particles that glow and stream outwards.

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

What year where dwarf planets developed

A

2006

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

What year did scientists identify 5 dwarf planets

17
Q

What are the 5 dwarf planets

A

Pluto, eris, makemake, Ceres haumea

18
Q

Where does Ceres orbit?

A

Asteroid belt

19
Q

Where do the other 4 dwarf planets orbit (this is excluding Ceres)

A

Beyond the Kuiper belt

20
Q

What is a dwarf planet that orbits beyond Neptune called?

21
Q

Which dwarf planet might be beyond the Kuiper belt

22
Q

What is the largest dwarf planet?

23
Q

How many moons does Pluto have? What are they?

A

3:Charon,nix,hydra

24
Q

How many moons does Haumea have

25
How many moons does eris have
1
26
Where is the asteroid belt?
Between mars and Jupiter
27
Where is the Kuiper belt?
Beyond Neptune’s orbit
28
Where is the Oort Cloud
Stretched out more then 1,000 times the distance between the sun and Neptune
29
Where do comets originate
The Oort Cloud
30
What are the 2 tail of a comet
Gas tail and dust tail
31
Where do comets tail point
Gas tail- away from the sun | Dust tail- along the path the comet has taken
32
How long can a comets tail be
Over 100 million kilometers
33
Where does an asteroid orbit
The asteroid belt
34
Ceres
Both dwarf planet and largest asteroid
35
Which asteroids are more then 300 kilometers across
Ceres, Pallas, vesta, hygiea
36
How big are meteoroids
Generally less than 10 meters across
37
How do meteoroids from
When asteroids collide or when comets break up
38
What are often called shooting stars (but aren’t really shooting stars)
Meteorites
39
Every year when earth passes through the same areas _______ occur
Meteor showers