The type of galaxy is based on the galaxy's ______
What is shape
100
Asteroids consist of _______
What is rock/metal
100
How do stars that are larger than our sun die?
Explode- Supernova
100
What is the shape of a comet's orbit?
Elliptical or oval
100
Another name for a comet
What is a "dirty snowball"
200
What is a galaxy (Full Definition)
A large group of stars in space held together by gravity
200
What is the difference between an asteroid and a meteoroid?
Meteoroid is smaller and is possibly a piece of an asteroid
200
What type of star lives the longest?
What is a small or dwarf star
200
Name the 3 things comets are made of
Rock, Ice, and Cosmic dust
200
The theory stating that formation of the universe started from a violent explosion
What is the Big Bang Theory
300
What are 3 types of galaxies?
Elliptical
Spiral
Irregular
Barred Spiral
300
Where is the asteroid belt?
Between Mars and Jupiter
300
What are the 2 things a massive star's core could become after a supernova
Black Hole
Neutron Star
300
Name 3 parts of a comet
Nucleus, coma, tail
300
The name of our planetary system
What is the solar system
400
What is the name of the galaxy we live in?
What type of galaxy is it?
What is the Milky Way
Spiral (Barred Spiral)
400
Origin of asteroids are believed to be from?
Leftovers from the formation of the universe
400
Birth of a star:
Stars form from clouds of gases and particles called _____
What is nebula
400
When can comets be seen?
When they are near the sun
400
The largest of the stars
What is the super giant
500
Explain the difference between the universe, solar system, and galaxy
Universe- Everything in space
Galaxy- Groups of stars, planets, moons
Solar System- Sun, Planet, moon
500
What is the difference between a meteoroid, a meteor, and a meteorite?
Meteoroid- Small rocky body revolving around the sun
Meteor- Streak of light when meteoroid enters and burns up in the atmosphere
Meteorite- Meteoroid that hits Earth's surface
500
The sun is what type of star?
Yellow dwarf- In 5 billion years a red giant
500
What is a coma when referring to a comet?
-A cloud of gas surrounding the nucleus
-Forms the tail
500
Give 3 reasons why the Earth has fewer craters than the moon
Atmosphere blocks them
Weathering
Erosion
Tectonic plate activity