Our Solar System
Name the rocky (terrestrial) planets
Mercury, Venus, Earth, Mars
What is revolution?
The orbit of a planet around the sun (one earth year)
Put these in order of increasing size:
Galaxy, Solar System, Earth, Sun
Earth, Sun, Solar System, Universe
Name the gas (jovian) planets
Jupiter, Saturn, Neptune, Uranus
What is rotation?
The spinning of a planet (or moon) on its axis (1 earth day)
Which group of planets have a higher density?
Rocky or Gas
Rocky
Where is the asteroid belt located?
Between Mars and Jupiter
The Milky Way is what type of galaxy?
Spiral Galaxy
How long ago did the big bang occur?
About 14 billion years ago
What force keeps planets in orbit?
Gravity
What is the relationship between a planet's distance from the sun and its orbital period?
The closer the planet is to the sun, the shorter the orbital period (and vice versa)
A subatomic particle exploded creating the universe.
What is the relationship between a planet's distance from the sun and its temperature?
The closer the planet is to the sun, the higher the temperature (and vice versa)
In which list are the celestial features correctly shown in order of formation?
A) sun forms --> cloud of gas and dust --> planets accrete --> spinning disk
B) spinning disk --> sun forms --> planets accrete --> cloud of gas and dust
C) cloud of gas and dust --> spinning disk --> sun forms --> planets accrete
C) cloud of gas and dust --> spinning disk --> sun forms --> planets accrete
What is a piece of evidence for the Big Bang?
The universe is expanding and is red shifted when viewed through a telescope.