Quiz

Astronomy quizzes

Test your astronomy knowledge — pick a quiz set and answer multiple-choice questions with explanations.

Constellations and star lore

Daily motion of the sky

Solstices and equinoxes

Stellar positions and catalogs

Proper motion

Trigonometric parallax

Astronomical imaging

Photometry and magnitudes

Astronomical spectroscopy

Solar interior

Photosphere

Chromosphere

Luminosity, flux and magnitude

Stellar spectra

Hertzsprung–Russell diagram

Formation of the Solar System

Terrestrial planets

Giant planets

Phases of the interstellar medium

Interstellar dust

Extinction and reddening

Milky Way disk

Galactic bulge and bar

Stellar halo

Spiral galaxies

Elliptical galaxies

Dwarf galaxies

White-dwarf physics

Neutron stars

Pulsars

Cosmological principle

FLRW spacetime

Friedmann equations

Einstein rings

Strong gravitational lensing

Weak gravitational lensing

Prebiotic chemistry

Abiogenesis hypotheses

RNA world

N-body simulations

Hydrodynamic simulations

Magnetohydrodynamic simulations

Refracting telescopes

Reflecting telescopes

Large ground-based telescopes

Babylonian astronomy

Ancient Egyptian astronomy

Ancient Greek astronomy