Physics · Science General

Astronomy and Cosmology

4,498 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 are Blue Dwarfs and Red Giants?

  1. Pygmies and the Caucasians

  2. Young stars and old stars

  3. Old stars and young stars

  4. Native and hybrid varieties of milch cattle

  5. Short term and long term crops in wheat
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In stellar evolution, Red Giants are stars in the later stages of their life, while Blue Dwarfs are hypothetical stars that develop from red dwarfs as they exhaust their hydrogen.

Multiple choice

When can Milky Way galaxy be seen?

  1. <span style="font-size:" class="Apple-style-span">On new moon day

  2. On a full moon night

  3. In a dark night

  4. Any time of day and night
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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Multiple choice

How does a comet look like through a telescope?

  1. It has bright head and long tail.

  2. It has dull head and long bright tail.

  3. It has bright head and short tail.

  4. It has dull head and short bright tail.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It has bright head and long tail.