space test Flashcards
Astronomy
The study of objects and matter outside the earths atmosphere and of their physical and chemical properties
Universe
Sun of all matter and energy that ever has does and ever will exist
Cosmology
The study of how the universe began what is made and how is continues to revolve and change
Light year
They distance light travels in one year
Interstellar matter
Consists of stars and clouds of dust and gas between stars
Galaxy
Grouping of millions or billions of stars and dust and gas held together by gravity
Cluster
Groups of galaxies bound together by gravity
Star
Huge balls of hot gases that emits light
Red shift
A shift in the expanding wavelengths of light toward the red color
Constellation
A grouped pattern of stars
Nearest galaxy to ours
Andromeda
Nebula
Large cloud of gas and dust spread out over a large volume of space
What were the Hubble space telescope and the James Webb space telescope
Orbital telescopes
First artificial satellite put into orbit
Sputnik I
What did the lunch of Sputnik I cause
Space race between Soviet Union and USA