Understanding the Expanding Universe and Massive Gravity

What phenomenon helps us observe the expansion of the universe?

• The Doppler effect

• The butterfly effect

• The greenhouse effect

• The photoelectric effect

According to Claudia de Rham's theory, what characteristic might gravity possess?

• It has mass

• It is massless

• It is a form of dark matter

• It is faster than light

What is the hypothetical carrier particle of gravity called?

• Graviton

• Gluon

• Photon

• Boson

What tool is mentioned as a means to measure gravitational waves?

• Hubble Telescope

• Voyager

• LIGO

• CERN

What is the name of the theory that suggests gravity might be the mysterious dark energy?

• String Theory

• Massive Gravity

• Quantum Gravity

• General Relativity