Galaxy
Milky Way is what kind of galaxy?
Spiral
A star is hottest when its color is
Bue-white
Some planets have other things that orbit them
The moon
The study of the the planets, stars, planets, and galaxies, it is also the study of the ______ of the universe
History
A meteoroid that strikes Earth's surface
Meteorite
The planets, stars. and all of space is called
The universe
The brightness of a star is its
magnitude
Earth completes one full rotation on its axis every
24 hours
Small, rocky objects that orbit the sun
Meteroid
A meteoroid that enters Earth's atmosphere
Meteor
A whirlpool galaxy is what shape
Spiral
A very large star, called a supergiant, may collapse and explode becoming a
Supernova
All the outer planets are called
Gas giants
A ball of ice and rock the orbits the sun
Comet
Astronauts launch these to study Earth
Satallites
Stars move around the center of their _____ in the same way the planets orbit a star
galaxy
When a massive star collapses, it may end up as a
Black hole
Planets are large bodies that orbit
Stars
A quasar has a ________________________ inits center
A black hole
The force of attraction among all objects
Gravity
When a galaxy is moving toward Earth, the color it emits is
Blue
The light absorbed by a star's atmosphere drops out of its light spectrum, forming dark
Absorption lines
The star the Earth orbits
The sun
Billions of years after the big bang, dust and gas gathered into a
Nebula
The large, dark, flat surface areas on the Moon's surface
Maria