Space Objects
A piece of meteor that lands on Earth after passing through the atmosphere.
Meteorite
The clear glass piece in telescopes that focses and refracts light rays.
Lens
These units are used to measure distances to planets.
Astronomical Units or AUs
How many planets are in our solar system?
Eight
This star affects Earth by giving it light and warmth.
Sun
A ball of ice, dust, and gases that travels through space.
Comet
A tool that separates light into a pattern of lines of different colors.
Spectroscope
The distance light travels in one year.
Light Year
Why do some planets seem to shine brighter than stars?
They are closer to Earth.
Stars that appear to be in groups when viewed from Earth; a pattern.
Constellation
A rocky object that revolves around the sun.
Asteroid
This telescope focuses on radio waves.
Radio Telescope
The bending of light as it passes from one material to another.
Refraction
This model displayed Earth as the center of the solar system.
Ptolemy's Model
A group of billions of stars, dust, and gases in space held together by gravity.
Galaxy
A bright streak of light that passes through the Earth's atmosphere.
Meteor
Optical
The bouncing of light off a shiny surface.
Reflection
This causes a pull on Earth's tides.
The Moon
This is on the surface of the sun and is made up of hot glowing gas.
Corona
A piece of meteor that lands on Earth after passing through the atmosphere.
Meteorite
A telescope that collects light and other rays; different wavelengths are shown in different colors.
Electronic
Separates white light or some light into a rainbow spectrum or pattern of colors.
Prism
The oval-shaped orbit around the sun.
Elliptical
This causes the suns heat and light.
Nuclear Reactions