0

Galaxy Discoveries

Description: Test your knowledge on the fascinating discoveries made in the realm of galaxies.
Number of Questions: 14
Created by:
Tags: galaxies astronomy space exploration
Attempted 0/14 Correct 0 Score 0

Which astronomer is credited with the first observation of a spiral galaxy?

  1. Edwin Hubble

  2. Isaac Newton

  3. Galileo Galilei

  4. Lord Rosse


Correct Option: D
Explanation:

In 1845, Lord Rosse, using his giant 72-inch telescope, observed the spiral structure of the galaxy M51.

What is the name of the closest major galaxy to our Milky Way?

  1. Andromeda Galaxy

  2. Large Magellanic Cloud

  3. Small Magellanic Cloud

  4. Centaurus A


Correct Option: A
Explanation:

The Andromeda Galaxy, also known as Messier 31, is the closest major galaxy to our Milky Way, located approximately 2.5 million light-years away.

Which galaxy cluster is known for its gravitational lensing effect, creating multiple images of distant galaxies?

  1. Abell 2218

  2. Bullet Cluster

  3. Coma Cluster

  4. Virgo Cluster


Correct Option: A
Explanation:

Abell 2218, also known as the 'Einstein Cross', is a galaxy cluster that exhibits a strong gravitational lensing effect, resulting in multiple images of distant galaxies.

What is the name of the supermassive black hole at the center of our Milky Way?

  1. Sagittarius A*

  2. M87*

  3. Ton 618

  4. Cygnus X-1


Correct Option: A
Explanation:

Sagittarius A* is the supermassive black hole located at the center of our Milky Way galaxy.

Which galaxy is known for its unusual shape, resembling a sombrero?

  1. Sombrero Galaxy

  2. Pinwheel Galaxy

  3. Whirlpool Galaxy

  4. Barred Spiral Galaxy


Correct Option: A
Explanation:

The Sombrero Galaxy, also known as Messier 104, is a peculiar galaxy with a prominent dust lane and a bright central bulge, giving it the appearance of a sombrero.

What is the name of the galaxy that is the most distant object ever observed?

  1. GN-z11

  2. J0313-1806

  3. HUDF-JD2

  4. EGSY8p7


Correct Option: A
Explanation:

GN-z11 is the most distant galaxy ever observed, located approximately 13.4 billion light-years away.

Which galaxy is known for its active galactic nucleus and powerful radio jets?

  1. Cygnus A

  2. Centaurus A

  3. M87

  4. NGC 1275


Correct Option: C
Explanation:

M87 is a giant elliptical galaxy known for its active galactic nucleus and powerful radio jets.

What is the name of the galaxy that is the largest in the local universe?

  1. IC 1101

  2. UGC 2885

  3. NGC 4889

  4. ESO 444-46


Correct Option: A
Explanation:

IC 1101 is the largest galaxy in the local universe, spanning over 6 million light-years in diameter.

Which galaxy is known for its unusual blue color, caused by the presence of young, hot stars?

  1. Blue Galaxy

  2. Starburst Galaxy

  3. Irregular Galaxy

  4. Dwarf Galaxy


Correct Option: B
Explanation:

Starburst galaxies are known for their intense star formation, resulting in a blue color due to the presence of young, hot stars.

What is the name of the galaxy that is the closest to our Milky Way and is visible to the naked eye?

  1. Andromeda Galaxy

  2. Large Magellanic Cloud

  3. Small Magellanic Cloud

  4. Sagittarius Dwarf Galaxy


Correct Option: B
Explanation:

The Large Magellanic Cloud is the closest galaxy to our Milky Way that is visible to the naked eye.

Which galaxy is known for its unusual ring-like structure?

  1. Hoag's Object

  2. Cartwheel Galaxy

  3. Sombrero Galaxy

  4. Antennae Galaxies


Correct Option: A
Explanation:

Hoag's Object is a peculiar galaxy with a bright central ring and a faint outer ring, giving it a distinctive appearance.

What is the name of the galaxy that is the most massive in the known universe?

  1. IC 1101

  2. UGC 2885

  3. NGC 4889

  4. ESO 444-46


Correct Option: A
Explanation:

IC 1101 is the most massive galaxy in the known universe, with an estimated mass of over 100 trillion times that of the Sun.

Which galaxy is known for its unusual double nucleus?

  1. NGC 6240

  2. Arp 220

  3. Centaurus A

  4. M87


Correct Option: A
Explanation:

NGC 6240 is a peculiar galaxy with two distinct nuclei, each with its own supermassive black hole.

What is the name of the galaxy that is the most luminous in the infrared spectrum?

  1. Arp 220

  2. IRAS F10214+4724

  3. NGC 1068

  4. M82


Correct Option: B
Explanation:

IRAS F10214+4724 is the most luminous galaxy in the infrared spectrum, emitting vast amounts of infrared radiation.

- Hide questions