The moon
How many moon phases are there?
eight phases
What is a rotation?
An object spinning motion around its own axis.
Where does the sun hit most directly?
The equator
What's another name for an inner planet?
Terrestrial Planets.
What is another name for outer planets?
Gas Giants
What causes the moon to have less gravity then earth?
The moon not having an atmosphere.
What is a revolution?
The object's orbital motion around another object.
What season does the northern hemisphere experience when the north end is tilted towards the sun?
summer
What is a plant known as "earth's twin"?
Venus
What are Saturn's rings made out of?
chunks of ice and rock
What are the phases of the moon caused by?
Changing the positions of the Moon, Earth, and Sun.
What is nuclear fusion?
The Sun produces energy and hydrogen atoms fuse to form helium in its core.
What two seasons experience an equinox?
Autumn and Spring
What are the gases found in the Mercury atmosphere?
ions of oxygen, sodium, and hydrogen
Why is there a giant red spot on Jupiter?
Because there is a giant storm wider than 3 Earths on Jupiter's surface.
What is the width of the moon?
3,475km
What is the difference between an equinox and a solstice?
Equinox is equal days and equal nights whereas solstice is the longest day of the year or the longest night of the year.
At what angle does the axis tilt cause seasons?
23.5 degrees
How far away is Earth from the Sun?
150M km
Why does Uranus have a fuzzy blue-green appearance?
Due to the atmosphere having traces of methane gas.
How far away is the moon from the sun?
150M km
What is the nucleus in a comet?
The solid inner core of a comet, made of rock and ice from the early solar system.
What is the date for the longest day of the year and shortest day of the year?
The longest day is June 21, and the shortest day of the year is December 21.
Describe the Martian atmosphere.
95% carbon dioxide and is very thin
What is Neptune's gravity?
1.7m/s squared