Vocabulary
A force of attraction existing between any 2 masses
What is gravity?
The two types of planets in our solar system.
What are terrestrial and jovian?
The surface of the sun is often dotted with these, which move as the sun rotates on its axis. Their presence helps scientists to observe the sun's rotation.
What are sunspots?
When the Earth is in just the right position between the Moon and the sun that it casts a shadow on the Moon.
What is a lunar eclipse?
The action of one surface, material, or object rubbing against another.
What is friction?
The branch of science that deals with the physical universe beyond Earth's atmosphere
What is astronomy?
What are Mercury, Venus, Earth and Mars?
The inside of the sun is believed to be made up of these 3 sections.
What are the core, radiative zone and convective zone?
The correct term for the side of the moon that we cannot see from Earth.
What is the far side of the Moon?
An organized system of millions or billions of stars, gas, solar systems, and dust that are held together by gravitational attraction.
What is a galaxy?
A natural or artificial body orbiting a planet or star
What is a satellite?
The 4 Jovian planets
What are Jupiter, Saturn, Uranus, and Neptune?
When the sun, Moon, and Earth line up in just the right way, and the Moon blocks our ability to see the sun.
What is a solar eclipse?
The Moon's shadow that is cast on Earth.
What is the umbra?
Two objects we discussed in this module, one simple and one complex, that are both forms of scientific technology.
What are a sundial and a telescope?
The gaseous layer surrounding Earth or another heavenly body
What is the atmosphere?
Terrestrial planets do not have these.
What are planetary rings?
Features of the sun that can extend millions of miles from the sun, affecting the Earth's atmosphere.
What are solar flares?
When the Moon is between the Earth and the sun, we see no reflected sunlight. This is the _______ phase of the Moon
What is the new moon?
When a comet is far from the sun, it does not have this.
What is a tail?
The amount of light or radiation reflected by a surface, typically that or a planet or moon.
What is an albedo?
Pluto did not fall into either of the two main types of planets, therefore it was demoted to this.
What is a dwarf planet?
This part of the sun is still visible in a total solar eclipse.
What is the corona and loops of gas ?
When the Earth is between the Moon and the sun; the light side of the Moon is completely facing us. This is called the ______ phase of the moon.
What is a full moon?
When a comet has a tail, it should always point this way.
What is away from the sun?