Galaxies
What is a galaxy?
A collection of star, dust and gas held together.
A small rocky object that orbits the Sun located in the belt near Mars
Asteroid
This line of latitude lies at 0 dgrees
equator
What are the correct order of the planets, based on being closest to the sun?
M,V,E,M,J,S,U,N
What is the name of the telescope that allowed scientists to learn more about the planets?
Hubble
What is a light year?
The distance of light travel in a year
The ________ is the primary source of heat.
Sun
Planet Earth spins on its __________ which is tilted at 23.5.
axis
Name one modern convenience use today that is a result of a product developed for use of space programs.
answers may vary
What chemicals make up the sun?
hydrogen and helium
This type of galaxy has a bright center and is roundish or elliptical in shape.
Elliptical
The ___________ is a layer of gases that surround the earth.
atmosphere
Earth complete revolution of the sun is ___________
one year or 365 days
The outer planets are called what?
gas giants
What seperates the inner planets from the outer planets?
asteroid belt
This scientist classified the galaxies by their shape
Hubble
Little chuncks or rock and debris in space are called
meteoroid
It takes the earth________ for one full rotation of the sun.
a day or 24 hour
What is the cause of season change?
The earth tilt.
A _____ is a machine that uses escaping gas to move.
rocket
This galaxy has no regular shape
Irregular
A small body of ice, rock and cosmic dust that orbit the sun:__________
comet
This half of the globe lies above the Equator
Northern Hemisphere
The moon is
answers may vary
__________ orbits earth, which allows space to be studyied continually.
ISS or International Space Station