Stars
Name the process that occurs in the center of the sun to provide energy.
Nuclear Fusion
The moon traveling around the Earth once is called a ______________ or orbit.
revolution
Which category of planets are smaller in size and rocky?
Inner Planets / Terrestrial Planets
Name the sun centered model of the solar system.
Heliocentric
What do we call the outdated Earth centered model of the solar system?
Geocentric
Name the outer most layer of the sun.
Corona
What type of eclipse is it when the moon comes in between the Sun and the Earth?
Solar Eclipse
List three gases that mainly provide tha composition of the Outer Planets' atmospheres.
Hydrogen, Helium and Methane
Does the amount of gravity an object has increase or decrease with mass?
Increase
What is located between Mars and Jupiter?
the astroid belt
What is the composition of our sun?
Hydrogen and Helium
Why hasn't the moon's surface changed in millions of years?
lack of atmosphere
What is another name for the inner planets due to the fact that they have rocky surfaces?
Terrestrial Planets
Name the shape of the planets orbits around the sun.
Elliptical
What vocabulary word do we use for an object spinning around its own axis?
Rotation
What do we call a large cloud of dust and gasses where stars are "born"?
a nebula
What type of tide do we experience when our side of the Earth is closes to the moon?
High Tide
Which group of planets all have rings and moons?
Outer Planets
Does the amount of gravity an object has increase or decrease with distance?
Decrease
What is the distance from the Earth to the Sun?
1 Astronomical Unit
What type of star is our sun?
Main Sequence
Why do we always see the same side of the moon?
Phase Locked = moon's revolution equals its rotation
Which planet rotates clockwise?
Venus
The Hubble telescope provided data about _______ moving away from each other.
galaxies
What do we call the types of energy that can travel through space as waves?
The Electromagnetic Spectrum