Exploring Active Galaxies and Their Structures

What is the Milky Way classified as?

• Elliptical galaxy

• Irregular galaxy

• Disk galaxy

• Peculiar galaxy

What was the first quasar discovered?

• Milky Way

• Virgo A

• Andromeda

• 3C273

What powers active galaxies?

• Supermassive black holes

• Supernovae

• Neutron stars

• Dark matter

What is the name of the disk formed by matter falling into a black hole?

• Event horizon

• Accretion disk

• Photon sphere

• Galactic disk

What is the mass of the Milky Way's supermassive black hole?

• 4 million solar masses

• 400 million solar masses

• 40 million solar masses

• 4 billion solar masses

What will the Milky Way and Andromeda galaxy form when they merge?

• A spiral galaxy

• A peculiar galaxy

• An elliptical galaxy

• A dwarf galaxy

What is the Local Group?

• A small group of galaxies

• A group of planets

• A supercluster

• A cluster of stars

What is the nearest galaxy cluster to the Local Group?

• Hercules Cluster

• Coma Cluster

• Perseus Cluster

• Virgo Cluster

What did the Hubble Deep Field reveal?

• Thousands of stars

• Thousands of galaxies

• Thousands of black holes

• Thousands of planets

Tags

NGSS.HS-ESS1-2

Approximately how many galaxies are there in the Universe?

• A million

• A billion

• A trillion

• A hundred billion