Solar system
T/F Only one solar system exists.
False
The name given to the galaxy in which our earth exists.
The milky Way
T/F 7 planets exist in our solar systems.
False
The name given to the study of everything in space, outside of Earth.
Astronomy
Name the space rocks.
Asteroid, Meteors, Comets
4.6B years ago
What does a galaxy consist of?
A galaxy is a huge collection of gas, dust and billions of stars and their solar systems held together by gravity
The third planet from the sun.
Earth
What is a celestial body?
an object that is found in space
T/F A meteor is larger than an asteroid
False
The sun is a ....... within the solar system.
A star
What are stars made of?
A ball of gas
What is the name given to the planets which exist outside of our solar system?
Exoplanets
Name 2 space agencies which launch Missions.
NASA, JAXA, CNSA, EU space agency
The asteroid belt exists between these planets.
Mars & Jupiter
What does our solar system consist of?.. provide number of things also
8 planets & the sun
What do stars emit?
Light & Heat
What is the name given to the 4 planets closest to the sun?
Terrestrial planets / Mercury, Venus, Earth, Mars
What is the moon an example of?
A natural Satellite
Interplanetary dust which enters the earth atmosphere which can be seen as shooting stars on a clear night.
Meteors
What is the name given to the theory in which states that earth is the centre of the universe and everything else orbits it?
Geocentric Theory
When a star collapses a .......... is formed.
A black hole
Give one criteria which must be met to be considered a planet.
In order to be a planet, you must...
Orbit a star (the sun)
Be large enough to form a rough sphere under its own gravity
Has cleared its orbit (Does not crash into objects)
Who was the first man to walk to moon?
Neil Armstrong
What causes a comet to form a tail?
As they come close to the sun, the ice & gases melt, forming a tail