Solar eclipse observers, 1860
Lord Lindsay's eclipse expedition, 1870
15-inch telescope, Edinburgh Observatory
Solar eclipse observers, 1907
36 inch telescope at the Lick Observatory, USA
25-inch Newall refractor telescope, 1873
Eclipse camera, 1871
Total solar eclipse, 1883
Charles Young, US astronomer
Transit circle observations, 1924
15-inch reflector telescope, 1887
Disassembling a radio telescope, 1960s
William Swann, US physicist
Leviathan of Birr, Ireland, 19th century
Argentine National Observatory
Armagh 10-inch refractor telescope, 1885
Transit circle, Edinburgh Observatory
Lick Observatory telescope, 1887
William Herschel's 20ft telescope
From alchemy to chemistry, 19th century
Mills Observatory, Dundee
1874 Transit of Venus observers
German astronomical observatory, artwork
Mars, 1950s image
1874 Transit of Venus, Eden, Australia
Total solar eclipse, 1871
Meridian circle instrument, 1880s
Total solar eclipse, 1860
Leviathan of Birr, Ireland
Telescope, artwork
Maria Mitchell, US astronomer
Solar eclipse and the ISS
Margaret Harwood, US astronomer
Strasbourg astronomical clock, France
Page from Kepler's 'Somnium' novel, 1634
Gasometer Oberhausen, Germany
Jesse Ramsden, English instrument maker
US astronaut John Glenn, Friendship 7
USNO solar eclipse expedition, 1925
Far side of the Moon, Luna 3 image
Far side of the Moon, Luna 3 images
Asaph Hall III, US astronomer
Henry Parkhurst, US astronomer
Thomas Simonton, US astronomer
Seth Chandler, US astronomer
Winslow Upton, US astronomer
Lewis Boss, US astronomer
Benjamin Gould, US astronomer
Hubert Newton, US astronomer
Daniel Kirkwood, US astronomer
James Keeler, US astronomer
Richard Proctor, British astronomer
Glaisher and Coxwell's balloon flights
Markree Observatory telescope
Paris Observatory telescope
Smyth's parallactic ladder mount
Woman looking through go-to telescope
Hugo von Seeliger, German astronomer
William Wallace Campbell, US astronomer
7.25-inch telescope, Sydney Observatory
Telescope clock, Sydney Observatory
Twin telescope, Tulse Hill Observatory
12.25-inch telescope, Edinburgh
Grubb equatorial telescope, Hungary
Paris Observatory meridian circle
Gravitational lensing of a galaxy, Hubble image
USNO Great Equatorial telescope
Care home resident with telescope
First NRAO radio telescopes, 1950s
Lowell Observatory telescope
NASA human computers
Thor Heyerdahl, Norwegian ethnographer
Lunar eclipse from the International Space Station
Lunar eclipse
astronomical observatory dome in night with stars and glowing light
Peter Dollond, British optician
Shelter on Aar glacier, Switzerland
Annie Jump Cannon, US astronomer
Researcher using a microscope, 20th century
Total solar eclipse
Edouard Branly, French physicist
Total solar eclipse, historical artwork
EINAC programmers with punch card machine
Total solar eclipse, 2nd July 2019
Total solar eclipse, diamond ring effect
Amateur astronomers
Pleiades-Moon conjunction
Radio telescopes, illustration
Radio telescope, illustration
Star trails over ESO telescopes at La Silla
Apollo 15 lunar surface exploration, August 1971
Apollo 15 lunar rock sampling, August 1971
Apollo 15 lunar surface exploration, July 1971
Apollo 15 lunar soil experiment, August 1971
Telescopes and astronomer at an observatory at night
Solar observatory
Giant Magellan Telescope
Solar eclipse seen from the Moon, 1893 illustration
Total solar eclipse, 7 August 1869, stereoscopic card
Halley's comet, 19th Century artwork
Lunar eclipse, historical artwork
Camille Flammarion, US astronomer
Mining safety lamp inspection
Hevelius observing with a telescope
1874 Transit of Venus observers, India
Refracting telescope on tripod
Second Grinnell Expedition, 1850s
Janssen at Meudon Observatory, 1893
Observers using a refracting telescope
Isaac Newton's reflecting telescope
John Dee, English astrologer
Dark Energy Camera
IBM 650 computer at US Naval Observatory, 1961
Oswald Avery, American bacteriologist
Historical astronomical instruments
Mercury's transit of the Sun, 2016
Mayall 4-meter Telescope at night, Arizona, USA
Astronomical observatory, India, artwork
Meteorite shower, Madrid, 1896, artwork
Full Moon, 14 May 1870
Astrophotographer capturing Venus and Jupiter conjuction
French Royal Academy of Sciences, 1671
Florence Sabin, US medical scientist
William Eichelberger, US astronomer
Fine Guidance Sensor
Maud Menten, Canadian biochemist
Frederick Brodie, British astronomer
X-4 jet aircraft research, human computer
30-inch telescope, Helwan, Egypt
Tatel radio telescope and US astrophysicist Frank Drake
Geikie, Powell and John Hopkins University field trip, 1897
Geikie, Powell and Walcott, geologists, 1897
US Naval Observatory refractor telescope, 19th century
15-inch equatorial telescope at US Naval Observatory
Total solar eclipse, Spain, 1860
Television engineering research, 1940s
Arnold Wolfendale, British astronomer
Nikola Tesla in a car
Muybridge motion study track, 1870s
Solar eclipse
Man looking through binoculars
1860 solar eclipse observation, artwork
Lunar Eclipse
Able Day atom bomb test, 1946
11.5-inch telescope, Sydney Observatory
Transit instrument, Fernhill Observatory
Telescope eyepiece, Hem Observatory
Observatory telescope
Kellingly Colliery, 1950s
Agostino Ramelli, Italian engineer
Draper's 28-inch telescope, 19th century
Comet Swift-Tuttle, April 1892
Lord Rosse's reflecting telescope
Nikola Tesla, Serb-US physicist
William Herschel, English astronomer
Pluto discovery glass plate
Elizabeth Roemer, US astronomer
Watching an eclipse, 1912
2016 penumbral lunar eclipse
Zeiss Nettar bellows film camera
ELT mirror segment, scale model
Theodor Boveri, German geneticist
Austrian-US pathologist Karl Landsteiner as a child
Darwin's 'The Descent of Man' (1871)
Charles Darwin
Airy Transit Circle eyepiece
Lunar eclipse, 28/08/2007
Partial solar eclipse, October 1996
Solar eclipse 2001, Sambia
Photograph of the 18 July 1860 total solar eclipse
Earthrise from Lunar Orbiter 1, 1966
Milky Way over Yunnan Astronomical Observatory