Planets
Stars
Space Tech
Big Bang
Theories and Laws
100

What planet was recently downgraded to a dwarf planet?

Pluto

100

an astronomical object consisting held together by its own gravity

What is a star?

100

First country to send a human into space

Russia

100

The big bang was ______ years ago

13.7 billion

100

This theory is the most commonly held belief of how the universe was formed.

The Big Bang

200

How many planets are in the Solar System?

8

200

What elements are stars made of?

Hydrogen and Helium

200

First animal into space

Dog

200

Who discovered the Big Bang?

Georges LemaƮtre

200

This law states that anything made up of matter will be attracted to other things that have matter

Gravity

300

The sixth planet from the Sun

Saturn

300

How big are stars?

1.2 billion kilometres (750 million miles) 

300

How many planets are visible without a telescope?

5. Mercury, Venus, Mars, Jupiter and Saturn

300

What are the alternative names for the Big Bang?

The big stretch, inflationary universe, open universe, oscillating universe, pulsating universe.

300

This theory states that all life had a common ancestor millions of years ago

Evolution

400

What is the surface temperature of the planet Venus?

471 degrees Celsius

400

How many stars are in a galaxy?

Billions

400

What layer of the atmosphere are satellites located in?

Thermosphere and Exosphere

400

What is the evidence for the Big Bang?

Cosmic background radiation, Doppler effect

400

This law states that energy cannot be destroyed or created, only changed

The Law of Thermodynamics/ Law of Conservation of Energy

500

What celestial body has an equatorial circumference of 10,917 km?

The moon

500

A star must be how hot to become a main sequence star?

10 million degrees Celsius

500

What is the ISS?

International Space Station

500

Why is the Big Bang flawed?

It violates the first law of thermodynamics, which says you can't create or destroy matter or energy.

500

This theory was postulated by Albert Einstein and explains how the closer you go to the speed of light; the slower time moves.

Theory of Relativity