Science & Nature

Ultimate Cosmic Knowledge Test

A challenging set of queries probing the frontiers of space science, from exoplanet detection to black hole thermodynamics.

#exoplanets#cosmology#black holes#galaxies#astronomy#stellar physics#space exploration#astrochemistry#observational techniques

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Total Questions

Difficulty Level

hard

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Quiz Questions

Answer all questions below and test your knowledge.

1
What is the maximum mass a non‑rotating white dwarf can have before collapsing into a neutron star?
Question 1
2
Which multipole moment (ℓ) corresponds to angular scales of roughly one degree on the sky in the CMB power spectrum?
Question 2
3
Which technique infers additional planets by measuring variations in the timing of a known transiting planet's eclipses?
Question 3
4
As of 2025, which star holds the record for the highest measured bolometric luminosity?
Question 4
5
What term describes the gradual decrease in a pulsar’s rotation frequency due to magnetic dipole radiation?
Question 5
6
In the Hubble sequence, which designation identifies a barred spiral galaxy with tightly wound arms?
Question 6
7
Which underground detector first observed solar neutrinos via the chlorine‑argon radiochemical method?
Question 7
8
The first detection of a binary neutron star merger (GW170817) produced an electromagnetic counterpart in which wavelength band?
Question 8
9
What term describes the energy density of empty space that drives the accelerated expansion of the universe?
Question 9

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Ultimate Cosmic Knowledge Test

Quiz Intelligence

Quiz Questions

What is the maximum mass a non‑rotating white dwarf can have before collapsing into a neutron star?

Which multipole moment (ℓ) corresponds to angular scales of roughly one degree on the sky in the CMB power spectrum?

Which technique infers additional planets by measuring variations in the timing of a known transiting planet's eclipses?

As of 2025, which star holds the record for the highest measured bolometric luminosity?

What term describes the gradual decrease in a pulsar’s rotation frequency due to magnetic dipole radiation?

In the Hubble sequence, which designation identifies a barred spiral galaxy with tightly wound arms?

Which underground detector first observed solar neutrinos via the chlorine‑argon radiochemical method?

The first detection of a binary neutron star merger (GW170817) produced an electromagnetic counterpart in which wavelength band?

What term describes the energy density of empty space that drives the accelerated expansion of the universe?

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