10 questions
What is dark matter?
Light
Invisible life
Matter that emits no light at any wavelength
Stars dust
Gravity holds galaxies together in clusters
False
True
What cluster is the Milky Way a member of ?
NCj693$
Local Group
Andromeda
The shift to a different wavelength is called the_________
Doppler effect
Dark matter
Doppler shift
Hydrolecametrical shify
What is the main scientific theory about how the universe formed?
Space theory
Big Bang Theory
Hycroplexium theory
Which one is an irregular galaxy?
What is located at the center of our galaxy?
The sun
A very large black hole
A void of empty space
The constellation Cancer