Universe structure questions
What makes Earth special?
It’s the only planet confirmed to have life and water
What are the 3 categories of stars?
Dwarf, giant, supergiant
What are planets?
Astronomical bodies that orbit a star
How many colors are in the rainbow?
7
What makes up the solar system?
The Sun and all the bodies that orbit around it. (Like planets)
What are stars bound together by?
Gravity
What is the universe?
Everything in space as far as we know
When is our test?
October 15th
Describe the sizes of planets that are close to and far away from the sun.
Planets are larger the further away they are from the sun.
What is the hottest part of the sun?
The core
What is Luminosity?
Brightness
How many continents are there?
7
What are the three shapes of galaxies?
Spiral, elliptical, irregular
How are the sizes of stars measured?
Solar radii
What is a light-year?
How far you would get traveling at the speed of light for one year.
What colors are the American flag?
Reds, white, and blue
How are distances in the universe measured?
Light-years
Does mass effect the temperature of a star? If yes, how?
Yes. Low mass stars are cooler and high mass stars are hotter.
What is Absolute magnitude?
How bright a star would look from a standard distance
What is a nickel worth?
5 cents