Physics ยท Science General

Astronomy and Cosmology

4,450 Questions

This topic provides questions on astronomy, cosmology, and the physical universe. It covers subjects like the Hubble sequence, constellations, dark matter, and stellar evolution. These questions help build a strong foundation for general science exam sections.

Galaxies and clustersConstellations and starsStellar evolutionSpace observatories

Astronomy and Cosmology Questions

Multiple choice

What is the name of the galaxy that is farthest from us?

  1. GN-z11

  2. UDFj-39546284

  3. J0313-1806

  4. EGSY8p7
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

GN-z11 is the farthest galaxy from us, located about 13.4 billion light-years away.

Multiple choice

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

  1. IC 1101

  2. UGC 2885

  3. SDSS J1150+0252

  4. Ton 618
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IC 1101 is the largest galaxy in the universe, with a diameter of about 6 million light-years.

Multiple choice

What is the name of the galaxy that is the smallest in the universe?

  1. Segue 1

  2. Draco II

  3. Eridanus II

  4. Bootes I
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Segue 1 is the smallest galaxy in the universe, with a diameter of only about 100 light-years.

Multiple choice

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

  1. M87

  2. NGC 1277

  3. Holmberg 15A

  4. IC 1101
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

M87 is the most massive galaxy in the universe, with a mass of about 6.6 trillion solar masses.

Multiple choice

What is the name of the galaxy that is the least massive in the universe?

  1. Segue 1

  2. Draco II

  3. Eridanus II

  4. Bootes I
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Segue 1 is the least massive galaxy in the universe, with a mass of only about 100,000 solar masses.

Multiple choice

What is the term for the phenomenon in which stars appear to twinkle?

  1. Scintillation

  2. Seeing

  3. Chromatic aberration

  4. Astigmatism
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Scintillation is the term for the phenomenon in which stars appear to twinkle.

Multiple choice

What is a nebula?

  1. A cloud of gas and dust in space.

  2. A type of star.

  3. A planet that orbits a star.

  4. A galaxy that is far away.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A nebula is a cloud of gas and dust in space. Nebulae are often found in regions where stars are forming or dying.

Multiple choice

What is the most famous nebula observed by the Hubble Space Telescope?

  1. The Orion Nebula.

  2. The Eagle Nebula.

  3. The Carina Nebula.

  4. The Horsehead Nebula.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Eagle Nebula is the most famous nebula observed by the Hubble Space Telescope. It is also known as the Pillars of Creation.

Multiple choice

What is the Hubble Space Telescope's most important scientific discovery?

  1. The existence of dark matter.

  2. The age of the universe.

  3. The expansion of the universe.

  4. The composition of stars.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Hubble Space Telescope's most important scientific discovery is the expansion of the universe.

Multiple choice

Which nebula is featured on a stamp issued by the United States in 1990?

  1. Orion Nebula

  2. Crab Nebula

  3. Helix Nebula

  4. Eagle Nebula
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Eagle Nebula, also known as the Pillars of Creation, was featured on a stamp issued by the United States in 1990 as part of the 'Space Exploration' series.

Multiple choice

What is the name of the nebula that appears on a stamp issued by Canada in 1976?

  1. Horsehead Nebula

  2. Sombrero Galaxy

  3. Whirlpool Galaxy

  4. Rosette Nebula
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Horsehead Nebula, a dark nebula resembling a horse's head, was featured on a stamp issued by Canada in 1976 as part of the 'Astronomy' series.

Multiple choice

Which nebula is depicted on a stamp released by the Soviet Union in 1967?

  1. Crab Nebula

  2. Orion Nebula

  3. Helix Nebula

  4. Ring Nebula
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Crab Nebula, a supernova remnant, was featured on a stamp issued by the Soviet Union in 1967 as part of the 'Space Exploration' series.

Multiple choice

What is the name of the nebula that appears on a stamp issued by France in 1977?

  1. Orion Nebula

  2. Eagle Nebula

  3. Sombrero Galaxy

  4. Whirlpool Galaxy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Sombrero Galaxy, a spiral galaxy with a prominent dust lane, was featured on a stamp issued by France in 1977 as part of the 'Galaxies' series.

Multiple choice

Which nebula is depicted on a stamp released by Germany in 1980?

  1. Helix Nebula

  2. Ring Nebula

  3. Eagle Nebula

  4. Orion Nebula
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Helix Nebula, a planetary nebula with a spiral structure, was featured on a stamp issued by Germany in 1980 as part of the 'Astronomy' series.

Multiple choice

What is the name of the nebula that appears on a stamp issued by China in 1995?

  1. Crab Nebula

  2. Eagle Nebula

  3. Orion Nebula

  4. Ring Nebula
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Ring Nebula, a planetary nebula with a ring-like shape, was featured on a stamp issued by China in 1995 as part of the 'Space Exploration' series.