Laser Ranging Facility targets Lunar Reconnaissance Orbiter
Very Large Telescope Laser Guide Star Facility
VLT Laser Guide Star Facility, Paranal Observatory, Chile
SMART-1 lunar probe launch
Lunar Reconnaissance Orbiter, artwork
Artificial laser star over Yunnan Astronomical Observatory
Star trails over Mayall 4-metre telescope at KPNO
Kitt Peak Public Observatory
Laser guide star, VLT, Chile
Gemini South and SOAR telescopes at night, Chile
Very Large Telescope firing laser beams at night
Laser guide star and star trails, VLT, Chile
First interstellar parallax experiment
James Webb Space Telescope mirror, composite image
Lunar Reconnaissance Orbiter preparations
Large Binocular Telescope, Arizona, USA
Lunar eclipse seen from the Moon, 2011
Cassini-Huygens launch, 1997
Crescent Moon with rock size abundance map
Star trails above the BlackGEM optical telescope array
Kitt Peak National Observatory domes
Kitt Peak National Observatory dome
Moon and Sun, LRO and SDO images
Moon's Joule T and Wargo craters, LRO image
Very Large Telescope at night, Chile
NICER mission preparations, July 2015
Perseid meteor over VLT telescopes
Milky Way over Cerro Armazones
James Webb Space Telescope simulator testing
Milky Way over Mauna Kea observatories
UT4 telescope
VLT Laser Guide Star Facility
Kitt Peak National Observatory
Mount Wilson Observatory, USA
Milky Way over Mount Wilson Observatory
Moon's near side, GLD100-LRO model
Moon's southern hemisphere, GLD100
Milky Way and SEST telescope
Milky Way over GranTeCan telescope
Clouds and light pollution, Canary Islands
Milky Way and La Silla road mirror
Milky Way over dome at La Silla Observatory
Milky Way over Leonhard Euler Telescope
Milky Way and one of the ALMA telescopes
Milky Way with SEST radio telescope
Astrotourism in the Atacama Desert
ALMA telescopes under stars
Paranal Observatory under star trails
Milky Way over radio telescope at Qinhai, China
Milky Way over Qinhai Observation Station, China
Big Dipper over radio telescope at Qinhai, China
Light pollution from Hong Kong
Observatory telescopes with the Milky Way, full-dome image
Observatory telescopes with star trails, full-dome image
Telescopes at an observatory with the Milky Way
Telescopes and astronomer at an observatory at night
Telescope at an observatory with the Milky Way
Milky Way over Cumeada Observatory, Portugal
Transiting Exoplanet Survey Satellite, February 2018
NICER mission preparations, May 2016
James Webb Space Telescope assembly
Moon's South Pole, LRO image
Lunar eclipse
Milky Way over SkyMapper telescope, Australia
Milky Way over Anglo-Australian Telescope
North America Nebula over Yunnan Astronomical Observatory
Night sky over Yunnan Astronomical Observatory
Radio telescope, Parkes observatory
Jupiter's southern aurorae, Juno image
Jupiter in infrared light, Juno image
Guide lasers over Mauna Kea observatories
Modulated X-ray Source
Very Large Telescope at night
Moon's surface and topography, LRO images
Total lunar eclipse, lunar corona and clouds
Total lunar eclipse
Total lunar eclipse and Mars
Total lunar eclipse, July 2018
Total lunar eclipse, September 2015
ALMA telescopes at night
Tatel radio telescope
Earth's geocorona from the Moon during Apollo 16, 1972
Southern and northern hemisphere night skies, composite image
Swedish-ESO Submillimetre Telescope at night
Milky Way over 3.6-metre telescope at La Silla
New Technology Telescope and night sky at La Silla
Milky Way over La Silla Observatory, 360-degree panorama
Moonlit landscape at La Silla Observatory
Star trails above La Silla Observatory
Star trails over ESO 3.6-metre telescope
SEST radio telescope and star trails
Milky Way over Palomar Observatory
Isaac Newton telescope at night
Very Large Telescope, Chile
Milky Way over ALMA telescopes
Milky Way over La Silla observatory
Stars over La Silla observatory, Chile
Star trails over La Silla Observatory
Milky Way over Paranal Observatory, Chile
Milky Way over ALMA telescopes, Chile
La Silla Observatory, Chile
Night sky over Very Large Telescope, Chile
Night sky over VISTA telescope, Chile
VISTA telescope, Chile
VLT and laser guide under star trails
VLT and laser guide under stars
Start of total lunar eclipse, July 2018
Total lunar eclipse near totality, July 2018
Total lunar eclipse at totality, July 2018
Milky Way, total lunar eclipse and Mars
Total lunar eclipse at totality, January 2019
Total lunar eclipse near totality, January 2019
Total lunar eclipse at totality, May 2022
Total lunar eclipse just before totality, July 2018
Total lunar eclipse just after totality, July 2018
Total lunar eclipse of July 2018, time-lapse sequence
Total lunar eclipse of July 2018, time-lapse montage
Perseid meteor over Yosemite
Meteor over Grand Canyon, USA
Aurora Borealis in Alaska
Aurora Borealis over campsite in Alaska
Evolution of Tucson city lights, 1959 to 2003
Kepler Mission rocket launch
Parker Solar Probe launch, August 2018
Milky Way over Tenerife telescope
Gemini North telescope, Hawaii
Milky Way over Kitt Peak Observatory, USA