A celestial body moving in an elliptical orbit around a star.
What is a planet.
100
How many planets are there?
There are eight planets.
100
What does luminosity refer to?
Luminosity refers to the amount of energy a star radiates per second.
100
The moon is classified as Earth's _______.
Satellite
100
Asteroids are...
debris left over from the formation of the solar system.
200
A group of planets that circle one or more star.
What is a solar system.
200
Which is correct, the geocentric model or the heliocentric model?
The heliocentric model is correct.
200
The more red the star gets, the _________ it gets.
colder
200
What does waxing and waning mean?
Waxing = increasing in size
Waning = decreasing in size
200
What is a comet composed of?
Ice, dust, and rock
300
Any celestial object travelling around a larger celestial object.
What is a satellite.
300
What is another name for Inner planets?
Terrestrial planets
300
Which characteristic is not used in the classification of a star?
a) The brightness of the star
b) What gasses make up the star
c) Distance from earth
d) Colour of the star
The answer is b
300
What do they mean by the "dark side of the moon" and what should it be called?
The dark side of the moon is the side we never see, should be called "the far side of the moon".
300
What is another name for a meteor?
A "shooting star" but they are not stars.
400
Matter that emits huge amounts of energy.
What is a star.
400
These planets are made of gas, ice and dust.
What is an outer planet.
400
Matching!
1)Low Mass A) our sun
2)Medium Mass B) Super giant
3)High mass C) Red Dwarf
Low Mass = Red Dwarf
Medium Mass = Our sun
High Mass = Super Giant
400
Who was the first to see the dark side of the moon, and how?
The Russians were from a Russian spacecraft.
400
Meteorites are __________ that survive the impact with the ___________ and reach the ___________.
Meteroids, atmosphere, ground
500
A small rocky body orbiting the sun, most orbit in a band.
What is an asteroid.
500
Name the planets in order from closest to the sun to farthest.
Low mass Stars, slower nuclear reactions occur therefore longer lifespan.
500
What are the phases of the moon starting at "new moon"?
New Moon, Waxing Crescent, 1st quarter, Waxing gibbous, Full Moon, Waning gibbous, last quarter, waning crescent
500
Why do comets have tails?
When the comet comes close to the sun, the sun's radiation releases gases and particles in the comet. The wind from the sun pushes the gases and particles away, forming a tail.