What planet was recently downgraded to a dwarf planet?
Pluto
an astronomical object consisting held together by its own gravity
What is a star?
First country to send a human into space
Russia
The big bang was ______ years ago
13.7 billion
This theory is the most commonly held belief of how the universe was formed.
The Big Bang
How many planets are in the Solar System?
8
What elements are stars made of?
Hydrogen and Helium
First animal into space
Dog
Who discovered the Big Bang?
Georges LemaƮtre
This law states that anything made up of matter will be attracted to other things that have matter
Gravity
The sixth planet from the Sun
Saturn
How big are stars?
1.2 billion kilometres (750 million miles)
How many planets are visible without a telescope?
5. Mercury, Venus, Mars, Jupiter and Saturn
What are the alternative names for the Big Bang?
The big stretch, inflationary universe, open universe, oscillating universe, pulsating universe.
This theory states that all life had a common ancestor millions of years ago
Evolution
What is the surface temperature of the planet Venus?
471 degrees Celsius
How many stars are in a galaxy?
Billions
What layer of the atmosphere are satellites located in?
Thermosphere and Exosphere
What is the evidence for the Big Bang?
Cosmic background radiation, Doppler effect
This law states that energy cannot be destroyed or created, only changed
The Law of Thermodynamics/ Law of Conservation of Energy
What celestial body has an equatorial circumference of 10,917 km?
The moon
A star must be how hot to become a main sequence star?
10 million degrees Celsius
What is the ISS?
International Space Station
Why is the Big Bang flawed?
It violates the first law of thermodynamics, which says you can't create or destroy matter or energy.
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