Space Terms
A region in space where no radiation is emitted.
What is a black hole?
The space between the Earth and Moon.
What is Cislunar Space?
The sun and the bodies that orbit around it.
What is the Solar System?
Closest planet to the Sun.
What is Mercury?
A giant dirty snowball.
What is a Comet?
A grouping of stars named after mythical figures and animals.
What are Constellations?
The area between one solar system and another.
What is Interstellar Space?
Approximate distance from the Earth to the Sun.
What is 93 million miles or 1 Astronomical Unit?
No longer considered a planet.
What is Pluto?
Tiny particles of sand and dust in space; leftovers from comets.
What are Meteoroids?
Small gravity levels or low gravity.
What is Microgravity?
Space measured from the center of a star to the orbit of its outer most planet.
What is Interplanetary Space?
Short-lived high energy discharges from the Sun.
What are Solar Flares?
Known as the red planet.
What is Mars?
A meteoroid that enters Earth’s atmosphere.
What is a Meteor?
A giant cloud of dust and gas.
What is a Nebula?
The center of our solar system.
What is the Sun?
Large energy discharges from the Sun that can be thousands of miles high and last for months.
What are Solar Prominences?
Rotates in 10 hours and has rings.
What is Saturn?
A meteor that hits the Earth.
What is a Meteorite?
Radiation belt around Earth, filled with charged particles.
What is the Van Allen Belt?
Our galaxy.
What is the Milky Way?
The very thin shell of the Sun’s outer layer from which we get sunlight.
What is the Photosphere?
The largest planet in our solar system.
What is Jupiter?
Chunks of rock the size of dust to a few hundred miles across; mostly travel between Mars and Jupiter.
What are Asteroids?