The Solar System
Stars and Constellations
Asteroids
Galaxies and the Universe
100

What is the name of the 4th planet from the Sun?

Mars

100

What is the closest star to Earth?

The Sun
100

What is an asteroid?

They are lumps made of rock with an irregular shape.

100

What is the name of the galaxy we live in?

The Milky Way

200

Which planet has the most moons in our solar system?

Saturn

200

What is a group of stars that form a pattern in the sky called?

A constellation

200

How many asteroids are known by humankind?

More than 1 000 000.

200

What is the name of the theory that suggests the universe began as a hot, dense point and has been expanding ever since?

The Big Bang Theory

300

The largest planet in the solar system is known as?

Jupiter

300

Why do they say that when we look at different stars, we are "looking into the past?"

This is because the light we see today began its journey from the object long ago.

300

What are the three reasons that we study the asteroids?

1: To understand how the solar system was formed. 2: They can be a source of resources. 3: To predict which of them may be dangerous to Earth.

300

What is the term for a large group of stars, dust, and gas bound together by gravity?

A galaxy

400

Which planet is known for its rings made of ice and rock particles?

Saturn

400

What is the name of the process by which stars generate energy?

Nuclear fusion

400

How often does a 1m of diameter asteroid hit Earth?

Every 2 weeks

400

What is the center of most galaxies, including the Milky Way, typically believed to contain?

A supermassive black hole

500

Where is the asteroid belt located?

Between the orbits of Mars and Jupiter.

500

What is the biggest type of star?

Red hypergiant

500

What is the name of the biggest asteroid found so far?

Vesta.

500

What is the name of the nearest galaxy to the Milky Way?

The Andromeda Galaxy