Chapter 23
Vocab
Chapter 24
Vocab
Planets
Chapter 25
vocab
Miscellaneous
100
Planets made up of mostly rocks.
What is a terrestrial planet.
100
The apparent change in frequency of electromagnetic or sound waves.
What is the Doppler effect.
100
Earths sister planet.
What is Venus.
100
A star's brightness as it appears from earth.
What is Apparent Magnitude.
100
A group of very bright stars.
What is a red giant.
200
Planets that are made up of mostly gas and very little rock.
What is a Jovian planet.
200
The outermost layer of the sun.
What is the corona.
200
How bright a star actually is.
What is Absolute magnitude.
200
A telescope that reflects light.
What is a reflecting telescope.
300
Planets that orbit the sun but have not yet cleared the area of its orbit.
What is a Dwarf Planet.
300
A dark spot on the sun's surface.
What is a sunspot.
300
This planet is tilted on its side and blue.
What is Uranus.
300
The slight shifting in the apparent position of a nearby star.
What is Parallax
300
Dense objects with such a strong gravitational pull that light cant even get through.
What is a Black hole.
400
Irregularly shaped body made up of colliding matter.
What is a Planetesimal.
400
Brief outburst that normally last an hour and appears as a sudden brightening of the region above a sunspot cluster.
What is a solar flare.
400
This used to be a planet but now it is a dwarf planet.
What is pluto.
400
Stars that get brighter and fainter in a regular pattern.
What is Cepheid variables.
400
How many planets are in our solar system.
Eight.
500
A cloud of dust particles and gas that started our solar system.
What is a Nebula.
500
The way the sun produces energy.
What is Nuclear Fusion.
500
This moon orbits Saturn. Has a substantial atmosphere and is larger than mercury.
What is Titan.
500
The distance light travels in a year.
What is a Light year.
500
This planet has 56 moons.
What is Saturn
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