WAVELENGTH
What color has the longest wavelength?
What is Red?
A cool and small star.
What is a Red Dwarf?
Measures the amount of matter an object contains
What is Mass?
A planet whose mass is most likely more than 300 times the mass of Earth.
What is Jupiter?
The sun is the center of our solar system, how does it compare in size to other stars
What is the sun is a medium-sized star?
As stars move away from or closer to our planet, we observe this
What is red shift (move away) or blue shift (closer to)?
What three factors determine star brightness.
What are stars color, size, and distance?
Measures the amount of gravity that pulls on an object
What is Weight?
The planets with a thick atmosphere and has a low density.
What is Jupiter, Saturn, Uranus, or Neptune (an Outer Planet)?
The sun is made up of mostly which 2 gasses
What is hydrogen and helium?
Lengthened if the source is moving away from the observer
What is Red shift?
Stars form from collapsing _________ of _______ and ______.
What is clouds of gas and dust
Increases as mass increases
What is gravitational force?
Another way planets move in space other than revolve around the sun.
What is rotation on its axis?
Planets can be terrestrial or gas giants. describe the terrestrial planets
What is rocky, dense, and relatively small?
When a star is moving closer to the Earth it appears to be ______________, and this is
What is Blue and Blue Shift.
These planets formed outside what is called the frost line, where temperatures were low enough for ice condensation.
What are Jovian Planets?
The amount of space an object takes up ________
What is Volume?
A large cloud of gas or dust in space, spread out in an immense volume
What is a nebula?
Order the stars in the H.R. diagram from coolest to hottest
What is red, orange, yellow, white, blue?
A blue shift or red shift is also called this
What is Doppler Effect?
The _________________ planets formed close to the Sun where temperatures were well suited for rock and metal to condense.
What are Terrestrial Planets?
The ratio of mass and volume is
What is Density?
The brilliant explosion of a dying supergiant star
What is a supernova?
A celestial body that is made up of gas and gives off light
What is a star?