Unit TEST Mathayom 6 Chapter 1

What is the name of our galaxy?

• Andromeda

• Whirlpool Galaxy

• Milky Way

• Sombrero Galaxy

What is the name of the force that holds galaxies together?

• Electromagnetic force

• Strong nuclear force

• Weak nuclear force

• Gravity

What type of galaxy is the Milky Way?

• Elliptical galaxy

• Spiral galaxy

• Irregular galaxy

• Lenticular galaxy

What is the primary component of dark matter?

• Protons

• Neutrons

• Electrons

• Unknown

What are quasars?

• The remnants of supernovae

• Extremely bright active galactic nuclei

• Dense clusters of stars

• Rogue planets

What is the name of the supercluster to which the Milky Way belongs?

• Virgo Supercluster

• Shapley Supercluster

• Laniakea Supercluster

• Perseus-Pisces Supercluster

Approximately how long ago did the Big Bang occur?

• 13.8 million years ago

• 4.6 billion years ago

• 100 billion years ago

• 13.8 billion years ago

What is the estimated age of the universe?

• 4.6 billion years

• 10 billion years

• 13.8 billion years

• 100 billion years

Who discovered the relationship between a galaxy's distance from Earth and its speed?

• Albert Einstein

• Edwin Hubble

• Stephen Hawking

• Galileo Galilei

What is the name of the epoch in which the universe underwent rapid expansion?

• Planck Epoch

• Grand Unification Epoch

• Inflationary Epoch

• Electroweak Epoch