Stars
Which color star has the coolest temperature?
Red
What is a group of planets orbiting a star called
Solar System
What is the name of the galaxy that our solar system is in?
the Milky Way galaxy
The term used to describe spinning on an axis (takes 24 hours on Earth)
Rotation
1st planet from the sun
Mercury
Which state of matter is the Sun made of
Plasma
The unit of distance used to measure how far light travels in one year
a Light Year
What contains billions of galaxies, billions of stars, and trillions of planets?
The Universe
Which two factors effect an objects gravitational pull?
Mass and Distance
Which planet has the shortest year?
Mercury
Which 3 characteristics are used to classify stars
Brightness, Temperature, and Size
A Large cloud of dust and gas
Nebula
When stars die, they become... (3 possible answers)
Black holes, super nova/neutron stars, white dwarf stars
Venus's ___________ traps heat from the sun and warms the planet to extreme temperatures.
atmosphere
Which historical model of the solar system places Earth in the center of the solar system
Geocentric model
What is the only layer of the Sun that is solid?
The core
The Asteroid Belt separates which two planets
Mars and Jupiter
What is the super glue that holds the universe together?
Gravity
What is a medium sized star called?
Main sequence
Which planet in our solar system would you weigh the most on?
Jupiter
Which star would appear brightest in the night sky?
Star A: yellow, main sequence, 7 light years from Earth
Star B: yellow, main sequence, 36 light years from Earth
Star C: yellow, main sequence, 44 light years from earth
Star A
What is the term used to describe the actual brightness of a star
Absolute magnitude
What shape is the milky way galaxy?
Spiral
The term used to describe how bright a star is as seen from earth
Apparent Magnitude?
Which planet has the hottest surface temperature.
Venus