Origin/End of Universe RETEST

Front

How old is the Universe estimated to be based on the Big Bang Theory?

Back

The Universe is estimated to be 13.7 billion years old.

Front

What is the term for the leftovers from the Big Bang that are in the form of microwave radiation?

Back

Cosmic Background Radiation.

Front

What does the Big Rip theory propose?

Back

The Big Rip theory posits that the universe will expand infinitely and all atoms will separate from each other then explode.

Front

What does the Big Crunch theory suggest?

Back

The Big Crunch theory posits that the universe will eventually stop expanding and collapse back in on itself.

Front

What is the current temperature of the universe?

Back

The current temperature of the universe is approximately 3 Kelvin.

Front

Define the Big Bang Theory.

Back

The Big Bang Theory is the leading explanation of how the universe began, proposing that it started from a singularity and has been expanding ever since.

Front

What is Cosmic Microwave Background Radiation?

Back

Cosmic Microwave Background Radiation is the thermal radiation filling the universe, a remnant from the Big Bang.

Front

Explain the concept of Red Shift.

Back

Red Shift refers to the phenomenon where light from distant galaxies is shifted towards the red end of the spectrum, indicating that the universe is expanding.

Front

What is the significance of the Doppler Effect in astronomy?

Back

The Doppler Effect helps astronomers determine whether an object in space is moving towards or away from Earth based on the change in frequency of its light.

Front

What is dark energy?

Back

Dark energy is a mysterious force that is causing the acceleration of the universe's expansion.