Aurora australis, Antarctica
Aurora Australis over Concordia base, Antarctica
Aurora borealis
Telescopes at Concordia base, Antarctica
Astronomy at Concordia base, Antarctica
Sun halo, Antarctica
Northern Lights, Canada
Concordia Research Station, Antarctica
Concordia base, Antarctica
Aurora, Canada
Aurora at twilight
Aurora over boreal forest, Canada
Aurora curtains over Ramparts Falls, Canada
Comet NEOWISE and aurora, Waterton River, Alberta, Canada
Northern lights, Iceland
Northern Lights, Iceland
Northern Lights, Maine, USA
Aurora over Skjervoy, Norway
Concordia base construction, Antarctica
Cosmic radiation research, Antarctica
Northern Lights, USA
Observing Comet NEOWISE, July 15 2020
Couple watching the Northern Lights
Northern lights reflected in a lake
South Pole telescope
Saturn's northern auroras, ultraviolet HST image
Patriot Hills weather station, Antarctica
Aurora Borealis, Lapland, Sweden
Comet NEOWISE over Dinosaur Park, Alberta, Canada
Aurora curtains over sea
Aurora borealis over Iceland
Aurora borealis, Greenland
Aurora borealis corona
Aurora borealis, zenith display
Geomagnetic storm, computer model
Aurora borealis over a mountain
Aurora borealis over a pool
Aurora borealis over a cabin
Aurora borealis and the Milky Way
Aurora borealis over a circular pool
Antarctic snow temperature measurement
Aurora borealis over trees
Aurora borealis in the night sky
Aurora borealis over mountains
Aurora borealis over a river
Northern lights
Auroral Curtains at Sea
Northern lights, Batsfjord, Norway
Aurora borealis, Greenland, 360 degree view
Aurora borealis and Milky Way, Greenland
Aurora borealis and Moon
Aurora Borealis, Norway
Aurora borealis, Svalbard, Norway
Aurora Borealis in Alaska
Aurora Borealis over Cabin
IceCube neutrino observatory, South Pole
Red sprites, La Silla Observatory, Chile
Aurora Borealis, Iceland
Aurora Borealis over campsite in Alaska
Arctic landscape with trees and Aurora
Aurora australis and Milky Way
Aurora over a frozen river in Alaska, USA
Northern lights over a house
Northern Lights from aeroplane
Northern Lights, Lapland, Sweden
Concordia Research Station, radio room
Concordia Research Station, storage room
Antarctic noon
Aurora watching near Reykjavik, Iceland
Airglow over Laigu Glacier
Full Moon with corona
Galaxy ESO 381-12, Hubble image
Supernova remnant SNR 0454-67.2, Hubble image
Clouds at sunset over Yunnan Astronomical Observatory
Aurora borealis and australis
Aurora over iceberg Greenland
Aurora watching, Greenland
Jacuzzi bath, aurora, Iceland
Aurora on Saturn
Halo over Kitt Peak National Observatory, Arizona, USA
Northern Lights over Skogafoss waterfall, Iceland
Northern Lights over Reykjanesviti lighthouse, Iceland
Galaxy IC 4870 with an active galactic nucleus, Hubble image
Van Allen radiation belts around Earth
Very Large Telescope at night
ALMA telescopes at night
ALMA telescopes under stars
Gemini North telescope, Hawaii
Kitt Peak National Observatory
Telescopes at dusk, La Palma
Gemini South and SOAR telescopes at night, Chile
Southern and northern hemisphere night skies, composite image
Swedish-ESO Submillimetre Telescope at night
Airglow above La Silla Observatory, Chile
Towers for the BlackGEM telescope at night
ExTrA telescopes at night
Man standing on platform at night, Chile
ExTrA telescopes at night, Chile
SPECULOOS Southern Observatory, Chile
Laser guide star, VLT, Chile
ALMA radio telescope at night, Chile
New Technology Telescope at night, Chile
Antarctic research base
Aurora borealis in Alaska
Lunar eclipse
Comet, globular cluster and dwarf galaxy
Milky way and the Aurora Borealis
Whole Earth (Blue Marble 2000)
Solar flare, SDO image