Wright's theory of the universe, 1750
Universe data from WMAP
Death of the universe, conceptual image
The Globe of Venus (1728), frontispiece
Universe's normal matter
Universe's dark matter
The Anatomy of Melancholy (1624)
Universe's dark matter, 3D map
Sperm observations by van Leeuwenhoek, 1700
Quasar observations, Chandra X-ray Observatory
Comets, 15th century
Astronomical table, 14th century
Big Bang, conceptual image
Universe timeline, artwork
Corona Australis constellation, optical image
Toroidal universe, illustration
Title page of Huygens's 'Astroscopia Compendiaria' (1684)
Title page of Huygens's 'Systema Saturnium' (1655)
Comet West
Cosmic microwave background, WMAP image
Comet Holmes in Perseus, November 2007
Halley's Comet, 1910
Supernova remnant Cassiopeia A, X-ray
Galactic centre, infrared Spitzer image
Distant galaxy HUDF-JD2, HST-SST image
Cosmic microwave background
Foreground for cosmic infrared background
Cosmic infrared background, Spitzer image
Dark matter ring in galaxy cluster
Cosmic and galactic microwave background
Moon transiting the Sun, STEREO image
Solar surface observed by Janssen, 1890
Pleiades open star cluster, 1888
Will Percival, cosmologist
Medieval constellations, 13th century
Dark matter, conceptual image
Cataclysmic variable star system, artwork
Gas from the Cartwheel galaxy, x-ray image
Comet C/2001 Q4
Comet Hyakutake
Z Camelopardalis, UV image
3C58 supernova remnant
Galaxy collision model
MAP microwave background
Dark matter distribution
Big Bang and early galaxies
Today's universe, galaxy types
Universe's galaxies, all-sky 2MASS survey
Universe's galaxies, all-sky 2MASS Extended Source Catalog
Jupiter from Huygens's 'Systema Saturnium' (1655)
Orion Nebula from Huygens's 'Systema Saturnium' (1655)
Saturn from Huygens's 'Systema Saturnium' (1655)
Ring Nebula, 1880s
Hubble Ultra Deep Field 2012
Page from Kepler's 'Somnium' novel, 1634
Universe
Milky Way
Butterfly nebula, optical image
Andromeda Galaxy, optical image
Sunflower Galaxy, optical image
Spiral galaxy NGC 300, optical image
Great Barred Spiral Galaxy, optical image
Vela Supernova Remnant, optical image
Reflection nebula M78, optical image
Thomas Wright, British astronomer
Studies on Hysteria (1895)
String theory, conceptual image
String theory, conceptual artwork
William Shakespeare
Evolution satire 'Monkeyana', 1861
Gravity waves in space-time, artwork
John Milton (1608-1674)
Mira star and tail, ultraviolet image
Supernova remnant Cassiopeia A, IR image
Galactic gravitational lensing, HST image
Sperm theories discussed by van Leeuwenhoek, 1699
Secchi's sunspot observation, 1873
Democritus was an influential Ancient Greek pre-Socratic philosopher.
Christiaan Huygens, Dutch physicist
Superconducting amplifier
Sunspots observed by Janssen, 1893
Scale of Universe
Auriga constellation, optical image
Comet Swift-Tuttle, April 1892
Uranus in 1910s, stereoscopic card
Comet Hale-Bopp
Transit of Mercury
Comet Arend-Roland, Belgian stamp commemoration
Sunspots on the Sun, 1881 and 1887
Sunspots on the Sun, 1892
Scutum Star Cloud, 1892
Comet Holmes and Andromeda Galaxy, 1892
Andromeda Galaxy, 1888
Hermann Minkowski, Polish-German mathematician
Boltzmann brain, conceptual image
Bubble universe, illustration
Sizes of celestial bodies, 1708
Discovery of a World in the Moone (1638)
Solon of Athens, Greek statesman and lawmaker
Sun and sunspots in 1910s, stereoscopic card
Artwork of exoplanet eclipsing its star
Dark energy and gravity, artwork
Black hole holography, illustration
Young galaxy lensed by cluster Abell 383
Star child, conceptual image
Space-time gateway
Space and time, conceptual artwork
Redshift observation, diagram
COSMOS region in Sextans, VISTA image
Sunspots, optical image
Solar prominences, H-alpha image
Nemesis star, artwork
Venus transiting the Sun, telescope image
Andromeda galaxy, ultraviolet image
Galaxy cluster Abell 2261, HST image
The constellation of the Southern Cross
Cartwheel galaxy group, composite image
Cartwheel galaxy group, optical image
James Webb Space Telescope first deep field image
Southern Ring nebula, James Webb Space Telescope
Southern Ring nebula, James Webb Space Telescope images
Open star cluster in Carina nebula, JWST image
Open star cluster in Carina nebula, JWST images
Gravitational microlensing, test of General Relativity
Coma galaxy cluster (Abell 1656)
Abell 1689 galaxy cluster, X-ray image
Comet nucleus
Sunspots
Emission nebula N11B
Molecular cloud, supercomputer simulation
Orion nebula
Horsehead Nebula
Horsehead nebula
Eta Carinae nebula
Lagoon and Trifid nebulae
Binary star formation
Multiple star formation
Star formation
Massive stars forming in DR21
Warped accretion disc
Light echoes from exploding star
Supernova remnant IC 443
Supernova remnant Cassiopeia A
Galactic centre, gamma ray image
Halo around galaxy NGC 4631
Hubble Ultra Deep Field galaxies
NGC 4697, X-ray image
Spiral galaxy NGC 7331
Spiral galaxy NGC 2403
Spiral galaxy IC 342, optical image