2026

Space & Astronomy

Expert Quiz on Stars and Galaxies

A demanding set of five multiple‑choice items designed for seasoned astronomy enthusiasts.

#stellar evolution#black holes#spectral types#cosmic distances#galaxy classification

Quiz Intelligence

Total Questions

5

Difficulty Level

hard

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
What is the minimum mass a celestial object must have to sustain hydrogen fusion in its core?
Question 1
2
In the Hubble sequence, which type denotes a spiral galaxy with a prominent bulge and tightly wound arms?
Question 2
3
Which stellar remnant represents the most massive class of compact objects formed from single-star collapse?
Question 3
4
A galaxy shows a redshift corresponding to a recessional velocity of 30,000 km/s. Assuming H0 equals 70 km/s per megaparsec, approximately how far away is the galaxy?
Question 4
5
Which spectral feature is most characteristic of O‑type stars?
Question 5

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Expert Quiz on Stars and Galaxies

Quiz Intelligence

Quiz Questions

What is the minimum mass a celestial object must have to sustain hydrogen fusion in its core?

In the Hubble sequence, which type denotes a spiral galaxy with a prominent bulge and tightly wound arms?

Which stellar remnant represents the most massive class of compact objects formed from single-star collapse?

A galaxy shows a redshift corresponding to a recessional velocity of 30,000 km/s. Assuming H0 equals 70 km/s per megaparsec, approximately how far away is the galaxy?

Which spectral feature is most characteristic of O‑type stars?