sun
What two elements is the sun's interior primarily made up of
Hydrogen (most) and helium
What helps the moon to be nearly a perfect sphere?
The moon's slow rotation
Name the largest and the smallest planets in our solar system
Largest - Jupiter Smallest - Mercury
A rocky object in orbit around the sun that is large enough to be seen from earth
Astroid
In what state of matter is the sun's surface?
Plasma
An astronomical unit (AU) is defined by the distance between what two objects?
Sun and earth
The most dense planet in the solar system that features liquid water
Earth
The most distance planet with extreme storms
Neptune
What are the four parts of a comet
Nucleus, coma, ion tail, dust tail
In what layer is the temperature of the sun the highest
Corona
The two points in the moons orbit when it is closest and furthest from earth are called what?
Closest - Perigee,
Furthest - Apogee
The hottest and brightest planet in the solar system
Venus
What is a shooting star actually?
A meteor
What is the process where hydrogen atoms experience intense heat and pressure that they join to form helium atoms and where in the sun does this occur?
nuclear fusion, at the core
What are the two movements that are made by the sun, the planets, and the moon
Rotation and revolution
A long narrow channel on a moon or planet that is believed to have originated from tectonic processes.
Rille
The planet with the largest volcano
Mars
An astronomical body that orbits around the sun but does not has too little gravity to have cleared it's orbit of other objects
Dwarf planet
The eruptions that occur when the loops in sunspot regions suddenly connect, sending a burst of energetic rays and particles into space that can disrupt satellites
solar flare
A broad, lowland plain on the moon made of hardened lava, darker and more level than surrounding highlands
Mare
The planet tilted on it's side
Uranus
The difference between a meteoroid, a meteor, and a meteorite is what?
Location