Galactic Collision and Cosmic Discoveries

What is the estimated time frame for the Andromeda Galaxy to collide with the Milky Way?

• 6 billion years

• 2 billion years

• 1 billion years

• 4 billion years

What was the initial debate about the nature of the Andromeda Galaxy?

• Whether it was a star cluster or a black hole

• Whether it was a comet or an asteroid

• Whether it was a planet or a star

• Whether it was a nebula within the Milky Way or a separate galaxy

Who was responsible for calculating the distance to the Andromeda Galaxy?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Edwin Hubble

What method was used to measure Andromeda's transverse velocity?

• Measuring gravitational waves

• Tracking star positions with the Hubble Space Telescope

• Observing solar eclipses

• Using radio telescopes

What is the predicted shape of the new galaxy formed after the collision?

• Irregular

• Elliptical

• Spiral

• Barred Spiral

What is the likelihood of stars colliding during the Andromeda-Milky Way collision?

• Impossible

• Very high

• Moderate

• Low

What might happen to the sun as a result of the galactic collision?

• It will remain unaffected

• It will collide with another star

• It will be ejected into intergalactic space

• It will become a black hole

What is the role of dark matter in the universe according to the transcript?

• It is a type of radiation

• It is a form of energy

• It is a type of visible matter

• It is responsible for the cooling of the early universe

What is the significance of the Bullet Cluster in understanding dark matter?

• It shows dark matter is a form of light

• It indicates dark matter is a type of gas

• It demonstrates dark matter's gravitational effects

• It proves dark matter is a type of star

What future astronomical tool is expected to enhance our understanding of the universe?

• The Large Hadron Collider

• The Square Kilometer Array

• The Very Large Telescope

• The James Webb Space Telescope