Big Bang 17-18

According to the Big Bang Theory how old is the universe?

• Thousands of years.
• Millions of years.
• Billions of years.
• Eternal.

Describe what cosmic background radiation shows us?

• Energy from the big bang.
• Energy from exploding stars.
• Fusion
• Fission

Edwin ____________ created a very important law after inventing a telescope that was used to see galaxies far, far away.

• Darwin
• Hubble
• Newton
• Murphy

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe started as a point and is moving towards each other

Which of the following is the largest?

• star
• universe
• solar system
• galaxy

How old is the universe?

• 13.82 billion
• 13.82 million
• 13.82 trillion
• 138.2 billion

Red shift is observed when an object moves towards the earth

• True
• False

What process takes place inside a star to generate energy?

• Nuclear fission
• Hydrogen Creation
• Nuclear fusion
• Helium forming

Which of the following best describes a galaxy? A galaxy is –

• the ending of the life cycle of all super massive stars in the universe.
• a massive system of stars, gas, dust, and dark matter bound together by gravity.
• a visible body of liquid or frozen crystal droplets suspended above a planetary surface.
• the visible path of a meteoroid as it enters Earth’s atmosphere.