Exploring the Cosmos: Galaxies and Beyond

What type of galaxy is the Milky Way classified as?

• Peculiar galaxy

• Irregular galaxy

• Elliptical galaxy

• Spiral galaxy

What was the initial observation of 3C273 mistaken for?

• A black hole

• A nebula

• A blue star

• A distant galaxy

What is the primary reason for the Hubble Space Telescope's construction?

• To investigate black holes in galaxy cores

• To monitor Earth's atmosphere

• To map the cosmic microwave background

• To explore distant planets

What powers the immense energy output of active galaxies?

• Stellar explosions

• Accretion disks around black holes

• Interstellar collisions

• Dark matter reactions

What phenomenon causes active galaxies to emit high levels of energy?

• Supernovae

• Black hole accretion

• Solar flares

• Galactic winds

What will the Milky Way and Andromeda galaxies form when they collide?

• A larger spiral galaxy

• A supermassive black hole

• A new star cluster

• An elliptical galaxy

What will likely happen to the Earth when the Milky Way and Andromeda galaxies collide?

• It will be ejected from the galaxy

• It will move closer to the galactic center

• It will remain in a stable orbit

• It will be destroyed

What is the Virgo Supercluster an appendage of?

• The Milky Way Group

• The Laniakea Supercluster

• The Local Group

• The Andromeda Cluster

How many galaxies did the Hubble Deep Field reveal in a tiny section of the sky?

• Hundreds

• Thousands

• Millions

• Billions

What does the vast number of galaxies in the universe suggest about our significance?

• It proves human superiority

• It diminishes our importance

• It highlights our curiosity and desire to learn

• It has no impact on our significance