Astronomy Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Galileo (1564-1642)

A

Godfather of astronomy. Discovered that planets orbited the Sun and not Earth

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

The Sun

A

Burns 600 million tons of hydrogen every second. Is 99.8% of our solar system’s mass.

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

The Solar System

A

Then Sun, 8 planets, 3 dwarf planets, billions of asteroids comets and meteoroids

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

Mercury

A

Closest to Sun. Smallest. No satellites.

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

Venus

A

2nd closest to sun. About same size as earth. poisonous as heck. Shiny.

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

Earth

A

Only planet with H2O. One large satellite (moon)

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

Meteor

A

Space rock that burns into nothing before hitting the ground.

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

Meteorite

A

Space rock that actually hits the ground before burning up. Likely killed off the dinosaurs.

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

International Space Station

A

Most expensive thing ever made. Satellites clipped together. Used for research.

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

The moon

A

Likely formed out of the earth when a Mars-sized meteorite hit Earth.

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

Mars

A

4th planet from Sun. Half the size of Earth

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

Asteroid Belt

A

Between Mars and Jupiter. Pulled by Jupiter’s gravitational pull so could never become a planet.

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

Jupiter

A

Largest. Gas giant. Made of hydrogen gas. Almost became a sun. 63 moons

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

Saturn

A

Gas giant. 6th from Sun.

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

Titan

A

A moon of Saturn. 2nd largest moon in solar system. Has an atmosphere and looks like Earth.

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

Uranus

A

Spins on its side after a huge collision.

17
Q

Neptune

A

Ocean of boiling methane. Full of diamonds