Planets
Blackholes
Galaxies
Stars
Rockets
100

How many planets are in the solar system?

8

100

What is a black hole?

A region of spacetime where gravity is so strong that nothing can escape  from it.(even light)

100

How many galaxies are there?

There are estimated to be more than 170 billion galaxies.

100

What are stars made of?

Mostly made of Hydrogen and helium.

100

Who crafted the first rocket ship to space?

Robert Hutchings Goddard

200

What is the hottest planet in the solar system?

Venus.

200

How does a black hole form?

When a very big star collapses at the end of its life.

200

Who discovered galaxies?

Edwin Hubble.

200

What is the closest star to planet earth?

Alpha Centauri A

(4.3 light years from Earth)

200

How much does a rocket ship weigh?

6.5 million kilograms.

300

What are the planets that orbit stars referred to as?

Exoplanets.

300

Will our sun become a black hole?

No. Our sun is much too small to become a black hole.

300

What is the name of our galaxy??

The Milky Way.

300

How many stars are in the observable universe?

1 billion trillion.

300

Where was the first space ship launched to successfully reach space?

Germany.
400

What two main groups are the planets in our solar system?

Terrestrial planets and gas planets.

400

Who discovered black holes?

Karl Schworzchild

400

What is a galaxy?

A galaxy is a gravitationally bound system of stellar remnants, interstellar gas, dust and dark matter.

400

How man green stars are there?

1

400

At what height does the longest rocket ship stand at?

363 feet

500

What are the planets in our solar system named after?

They are named after gods from Roman and Greek mythology.

500

What does a black hole look like?

They are as black as the blackness of space, there is a light from a luminous swirl.

500

What are the parts of a galaxy?

Stars, gas, and dust.

500

What is the largest star in the universe?

UY Scuti.

500

What is the longest amount of consecutive days that a rocket ship has lasted in space?

348 days.