The Universe

What is the name of the phenomenon that most likely created our universe?

• The big boom theory

• The giant bang theory

• The cosmic explosion theory

• The big bang theory

Which of the following statements is not true about the Big Bang Theory?

• At first, our universe was in a hot and extremely dense state.

• Then, it exploded and created space (tér), energy, matter and time.

• As the radiation from the explosion decreased, the first atoms were formed, mostly carbon and iron.

• Atoms formed atomic clouds, and the gas within them had enough gravity to cause more atoms to collect. They will form the core of stars.

A large collection of stars, dust, and gas held together by gravity is a.........

• solar systerm

• galaxy

• constellation

• astronomy

What does a star mainly consist of? (Tick 2 boxes.)

• helium

• iron

• carbon

• hydrogen

Where is our solar system?

• In the Milky Road

• In the nuclear bulge of the galaxy

• On the Orion Arm

• In the Andromeda galaxy

What type of star will the sun eventually become?

• Red supergiant

• White dwarf

• Black hole

Evidence that the universe is expanding is best supported by the observation that the wavelengths of light from distant galaxies are shifted toward the

• blue end of the spectrum because they are lengthened

• red end of the spectrum because they are lengthened

• red end of the spectrum because they are shortened

• blue end of the spectrum because they are shortened

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

How old do scientists think the Universe is?

• 13.8 billion years old
• 4.5 billion years old
• 24,000 years old
• 5 years old

Where is the center of the universe located?

• There is no center of the universe.

• At the center of the Milky Way galaxy.

• 14.5 billion light years away from Earth.

• In a large singularity near the Andromeda Galaxy.