The Big bang theory

How long ago did the Big Bang occur?

• 13.8 billion years ago

• 4.6 billion years ago

• 13.8 million years ago

• Yesterday

An object that is moving VERY fast away from Earth would have ________ than an object that is moving very slow away from Earth.

• More Redshift

• More Blueshift

• Less Redshift

• Less Blueshift

RED shift is proof that the universe is

• expanding (getting bigger)

• contracting (getting smaller)

• All a lie

Our theory of the universe was confirmed by the discovery of:

• fusion.

• cosmic microwave background radiation.

• the Andromeda galaxy.

• the Doppler effect.

The universe is expanding! This means that:

• all of the galaxies are spreading out.

• the universe must have started from a single point.

• the universe is cooling down.

• all of the above.

How long does it take light from our Sun to reach Earth?

• 3 seconds

• 8 minutes

• 57 hours

• 1 year

Observations of space indicate that most matter in the universe is ___.

• hydrogen, helium, and dark matter

• gold and plutonium

• oxygen and water vapor

• carbon

What instrument has allowed us to look deep into space to observe things far away that give us hints to the past?

• The Hubble telescope

• Binkley's barometer

• The Smith Space Balloon

• The Eiffel Tower

Who invented the space telescope ? (You can chose more than one answer)

• Micheal Xavier

• Edwin Hubble

• Edwin Husband

• Edwin wife

When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why?

• it takes light that length of time to travel

• light travels really slow in outer space

• light travels faster than sound

• it is an ancient galaxy