Galaxies

How many stars are estimated to be in the Milky Way Galaxy?

• About 100 billion

• About 1000 billion

• 10 Trillion light years

• below 100 billion

What are the three main parts of the Milky Way Galaxy?

• Galactic nuclear, galactic disco, galactic halogenic

• Galactic nuclear, galactic disk, galactic halo

• Galactic nucleus, galactic disk, galactic halo-halo

• Galactic nucleus, galactic disk, galactic halo

Where is the Sun located in the Milky Way Galaxy?

• In a spiral arm, about 25,000–30,000 light-years from the left

• In a spiral arm, about 70k light-years from the center

• In a spiral arm, about 25,000–30,000 light-years from the center

• In a arms reach, about 25-30 light-years from the center

What type of galaxy is the Milky Way?

• A spiral galaxy

• An elliptical galaxy

• none of the above

• Andromeda Galaxy

What is the name of the nearest large galaxy to the Milky Way?

• Spiral Galaxy

• Andromeda Galaxy

• Armadillo Galaxy

• Armageddon Galaxy

Why do scientists believe extraterrestrial life might exist?

• Because according to the bible the creator made all living things

• because of E.T the movie

• Because of the vast number of stars and planets in the universe

• because of the many galaxies

How far is Andromeda from the Milky Way Galaxy?

• About 20 million light-years

• About 2.7 million light-years

• About 4.5 million light-years

• About 2 million light-years

How many stars are estimated to exist in the observable universe?

• About 5 × 10²¹ stairs

• About 3 × 10²¹ stars

• About 10 x 10²¹ stars

• About 3 × 10²¹ stairs

True or False: Radio signals travel faster than the speed of light.

• True
• False

True or False: Extraterrestrial life is considered possible due to the vast number of stars and planets in the universe.

• True
• False