The Solar System
What is the name of the star at the center of our solar system?
The Sun
What is a star?
A massive glowing ball of gas
What is the ISS
The International Space Station
What force keeps planets in orbit around the Sun?
Gravity
Which planet is known as the red planet?
Mars
Name the four rocky planets
Mercury, Venus, Earth, Mars
What is the name of our galaxy?
The Milky Way
What is one purpose of satellites in space?
Data collection, communication, navigation, and weather forecasting.
What is the name for a group of stars that form a pattern or image in the sky?
A constellation
Which dwarf planet was formerly a planet?
Pluto
Which plant is know for it's prominent ring system?
Saturn
What colour are the hottest stars?
Blue
Who was the first human to walk on the moon?
Neil Armstrong
What is a black hole?
A place in space where the force of gravity is so strong that even light cannot escape
What causes day and night on Earth?
Earth's rotation on its axis
Which planet has the most moons in our solar system?
Saturn
What is the name of the explosion that ends a massive star’s life?
A Supernova
Why do astronauts need to exercise in space?
They need to prevent muscle and bone loss while being in zero gravity
How old is the universe expected to be?
13.8 billion years
How long does it take for the Moon to orbit the Earth?
About 27 days
Name the four gas giants in our solar system
Jupiter, Saturn, Uranus, Neptune
How many galaxies have scientists estimated to be in the observable universe?
2 trillion
What was the first satellite launched into space?
Sputnik 1 (by the USSR)
A light year is the distance light travels in 1 year. How far can light travel in 1 second?
300 000 km/s
What is a comet made of? (3)
Ice, dust, and rocky material