Out of This World
The planet we live on
What is earth?
The star closest to earth
What is the sun?
A group of stars that appear to form a picture
What is a constellation?
An astronomer's most important instrument
What is a telescope?
The galaxy our solar system is in
What is the Milky Way?
The closest planet to the sun
What is Mercury?
The largest and brightest kind of star
What is a supergiant?
The constellation known as the hunter
What is Orion?
Bending light
What is refraction?
The smallest star group
What is a binary system?
The color of the hottest stars
What is blue?
The death of a star
What is a supernova?
The constellation containing the North Star
What is the Little Dipper (or Ursa Minor)?
A telescope that uses mirrors
What is a reflecting telescope?
A large group of stars close enough to each other to be held together by gravity
What is a star cluster?
The color of cooler stars
What is red?
How bright a star actually is
What is absolute magnitude?
Forms when a star collapses and the pressure forces protons and electrons to form neutrons. One teaspoon of it could weigh a billion tons
What is a neutron star?
A telescope that uses convex and concave lenses to bend light
What is a refracting telescope?
A huge star system that contains millions or even billions of stars
What is a galaxy?
The type of star our sun is
What is a dwarf star?
Eclipsing variable stars
What is a pair of stars whose apparent magnitude changes because they revolve around each other.
What are circumpolar constellations?
A telescope that collects radio waves from space
What is a radio telescope
The shape of galaxy that the Milky way is
What is a barred-spiral galaxy?