Astronomy
This is a cloud of gas and dust that formed our solar system.
What is nebula?
The closest planet to the Sun
What is Mercury
Which country/countries have been to the moon?
What is the United States?
The term used to describe moon phases with GROWING lit area
What is a waxing
These are created on the moon by asteriod impacts
What are craters?
How long it takes for the moon to orbit the earth.
What is about one month
The moon phase that is the beginning of the cycle
What is a new moon
The collection of rocks between the inner and outer planets
What is the Asteroid Belt
The outer planets are also known as _______ giants.
What are Gas Giants
These are the 'building blocks of planets'
What are planetesimals?
Orbiting the sun defines this time period (part a), and the correct term is ______________. (part b)
What is a year(a) and a revolution or revolving (b)
The smallest planet in our solar system
What is Mercury
Moon phase where 3/4 of moon is visible
What is gibbous?
The moon has this instead of an atmosphere.
What is an exosphere?
This is what causes the moon to have no weather.
What is the lack of atmosphere (or no atmosphere)?
The time it takes for a planet to rotate once on its axis.
What is about one day
The largest planet in our solar system
What is Jupiter
A star and the objects that orbit it is called this
What is a solar system
Left half of the moon is visible during this phase
What is the last (or 3rd) quarter?
These are the gas giants/outer planets- in order from closest to furthest
What are Jupiter, Saturn, Uranus, and Neptune
This part of a shadow causes a partial eclipse.
What is a penumbra
This process creates energy in our sun, and is also what makes it a star.
What is fusion?
These forces keep the moon orbitting the Earth
What are inertia and gravity?
A moon that is getting smaller, and only a c-shape is visible
What is a waning crescent?
These are dark areas on the moon created by lava flows
What are mares or maria?