Galaxies
How many classifications of galaxies do we have?
3
When stars make an image in the sky it is called ____.
a constellation
True or False
Our Sun is a low mass star and will never explode as a supernova?
True
What is the largest star in our solar system?
the Sun
True or False
All stars look the same?
False
What is the name of the galaxy we live in?
the Milky Way galaxy
Name a constellation
True or False
All stars go through the exact same life cycle?
False
How many stars are there per galaxy?
thousands or billions
There are billions of stars per galaxy.
Stars are balls of ____ and ____.
What are stars made of?
Name a type of galaxy
spiral, irregular, or elliptical
Name a group of people who use constellations to help them.
farmers, poets, astronomers, etc.
This type of star has gravity so strong that even light can't escape?
Hint: it is like your backpack
a black hole
What do stars produce that we use to measure time/distance in space?
Hint: Buzz ____
light-years
Stars follow a _____ cycle.
life
What is the force that pulls together all objects in the universe?
gravity
How many constellations have the IAU determined we have?
88 constellations
What factor determines how long a star lives?
star's mass
How long does it take the sun's light to reach Earth?
8 _____
minutes or months
8 minutes
What force holds a star together?
gravity
What is the name of the galaxy that looks like a pinwheel with arms?
Spiral, Elliptical, Irregular
spiral
Name a shape that constellations are made up of:
myths, heroes, animals etc.
What is the end stage of a massive star called when it explodes? A Super______
Supernova
Name a fuel for stars
Hydrogen or Helium
What color is the hottest star?
blue