The moon is setting next to Tenerife's famous volcano Pico del Teide.
The constellation of galaxy of Andromeda against the landscape of an old mine in Dark Sky Alqueva.
A mosaic photo from Nepal with the magnificent view to 7000-8000 meters Himalayan peaks of Annapurna Massif.
From altitude of 4500m on the Chilean Altiplano the Milky Way appears with Magellanic Clouds and green airglow.
An atmospheric phenomenon called mesospheric bore captured from China.
Starry sky above Laigu Glacier on the roof of the world.
Starry night of Gokyo, a Sherpa village in Sagarmatha National Park of Nepal.
Big Dipper as observed at the Delingha Observatory, in Qinghai province of China.
The Milky Way arc above the Organ Pipe Cactus National Monument in extreme southern Arizona.
Scenic night driving in Chliean Andes.
Those are not clouds. This isn't aurora either.
Where do astronomers stay at the observatory?
No, this is not light pollution nor clouds in the night sky.
The falls is located in Big Sur of California, an incredible place by itself.
Did you ever wonder what is the real color of the night sky? Anything but black! Airglow defines that.
Paddling at night in a star-filled lake near Mount Hood, Oregon.
Captured during a night-time climb to Mount Pico in Azores, the view shows strong airglow in partly clear sky.
A 360° panorama of the landscape and skyscape at Grasslands National Park, Saskatchewan, Canada.
The night sky is definitely not black and we have a proof here!
View of the Milky Way and Zodiacal Light (with Venus shining inside) from ALMA site at the elevation of 5000 m.
An interesting alignment of OGLE telescope and the Milky Way in Chile.
The night sky here is shining in orangish color due to oxygen airglow emission in the upper atmosphere.
You can witness such a spectacular view if you happen to drive in Chilean Andes in April.
Impressive bands of red and green airglow in the sky, captured during a climb up Mount Pico in the Azores of Portugal.
A 360° panorama of the Milky Way and night sky taken at Cameron Lake in Waterton Lakes National Park, Alberta, Canada.
A panorama of a star- and planet-filled sky in the pre-dawn hours over Lake Annette in Jasper National Park, Alberta.
Tibetan sky at the break of dawn with the band of the Milky Way.
The atmospheric Gravity waves revealed by airglow is captured from the Tibetan Plateau.
In this all sky view from Observatorio del Teide (IAC) on Tenerife, Canary Islands, there is more than a starry sky.
Night sky above Cerro Paranal observatory in the Atacama Desert, Chile.
Astronomers residency, built under the surface, in the barren Atacama Desert of Chile, like a human base on another planet.
The Milky Way and the totally eclipse moon hang over domes of the twin 6.5 meter Magellan telescopes.
After sunset an exceptionally intense, reddish airglow flooded this Chilean winter nightscape.
Stretching high into the starry sky the conical glow is sunlight scattered by dust in the solar system plane.
This all-skyscape was taken 5,100m above sea level, from the Chajnantor Plateau in the Chilean Andes.
Alpha and Beta Centauri are easy to spot from the southern hemisphere but there is an extra star in this view.
As far as the eye could see, it was a dark night but intense airglow was visible to the camera.
The Large and Small Magellanic Clouds above Cerro Paranal observatory.
Strong green airglow almost all over the sky with the Milky Way above Sweden.
The first Sun rays and strong natural airglow light up the sky above the Grand Canyon.
The autumn Milky Way and rising winter stars over the Grand Canyon. Red airglow brightens the horizon.
Comet Lovejoy (C/2013 R1) and a meteor are photographed over Himalayan villages in northern India.
The Winter Milky Way over a Petroglyph field boardwalk in the Hawaii's Volcanoes National Park.
This timelapse video takes us to one of the world's best sites for astronomical observation.
The Milky Way over the Grand Teton National Park in Wyoming, USA.
The night sky and strong airglow activity over the Grand Teton national Park in Wyoming, USA.
The night sky and strong airglow activity over the Grand Teton national Park and the Snake River in Wyoming.
Mars, Saturn, and the Southern Cross in a clear window between rain storms at the coast of Maui, Hawaii.
Jupiter, winter stars, and the Milky Way appear in the dark sky of the Persian Gulf shores, near Bushehr, southwestern Iran.
A starry night at the foot of Grand Teton mountains (Grand Teton National Park), Wyoming, USA.
The dark starry sky of the Great Ocean Road in Victoria, Australia. The Milky Way from Centaurus to the Southern Cross appears over the Southern Ocean.
The Milky Way from Sagittarius in the galactic bulge to the Summer Triangle, and Cassiopeia arches over Kodachrome Basin State Park in Utah, USA.
A starry night of Grand Teton National Park in Wyoming, United States.
The Milky Way and the zodiacal light (sunlight reflection from dust in the Solar System plane) appear in the morning sky of Amboseli National park.
The Milky Way appears over Caldera de Taburiente, La Palma, Canary Islands. The pale orange-red cast in the left side sky is airglow.
The Milky Way and Venus photographed over Caldera de Taburiente, La Palma, Canary Islands.
A spectacular view of the Milky Way photographed over Caldera de Taburiente, La Palma, Canary Islands.
Young stargazers watch Comet Lovejoy (C/2013 R1) in the night sky.
In a summer night of Utah the Milky Way brightest region in the constellations Scorpius and Sagittarius appear over the Goblin Valley State Park.
The bright summer Milky Way rises over rocks and sand pipe formations of Kodachrome Basin State Park in Utah, USA.
The bright summer Milky Way from Scorpius to Sagittarius and Aquila appear over sand pipes of Kodachrome Basin State Park in Utah, USA.
This enhanced all-sky video shows the dynamic of airglow and appearance of aurora in the dark southern sky. The Milky Way and the fainter band of the Zodiacal Light also appear in the view.
This enhanced all-sky video shows dynamic of airglow in the dark southern sky.
Allow this Virtual Reality animation to loads which takes you a starry night at the Loch Ard Gorge on the Great Ocean Road in Victoria.
The Milky Way appears over ruins of an ancient desert castle near Kashan, central Iran.
This timely image from the southeastern shore of Australia in Victoria has captured a sudden red burst of aurora australis and comet Lemmon (C/2012 F6).
Two comets -C/2012 F6 (Lemmon) and C/2011 L4 (PanSTARRS)- can be seen moving through the southern sky in this timelapse video.
This timely image from the southeastern shore of Australia in Victoria has captured two comet Lemmon and comet PanStarrs while approaching the sun.
In a starry night of la Palma, Canary islands, telescopes at Roque de los Muchachos Observatory are exploring the cosmos.
For its dark starry sky the World Heritage Site of Banff National Park in Alberta is a favorite destination of the TWAN photographer.
Ghostly apparitions of two fundamental planes in planet Earth's sky span this October all-sky view.
The Milky Way and airglow (natural radiation of the Earth's atmosphere) above Dolomites, Alps, Italy.
The arc of the Milky Way is photographed above Sierra de San Pedro Mártir, a mountain range in the Baja California peninsula, Mexico.
One of the European Southern Observatory telescopes is photographed beaming a laser to the atmosphere under starry sky of Atacama Desert.
This all-sky view overlooking villages near Bursa, Turkey, has captured the Milky Way, the setting summer stars and the rising winter stars.
There are not many locations left on this planet where you can still experience a dark sky like this.
In an ideal dark night the faint glow of Zodiacal Light is a complete band across the sky along with the Gegenschein (counter glow), as seen in this all-sky view from Canary Islands.
The Milky Way, air glow, and the zodiacal light appear above Kansas in this all-sky view made by a fish eye lens.
Stars trail above Mount Kilimanjaro in Africa.
Dark starry sky is an essential beauty of our natural environment. This 360-degree panorama displays perhaps the darkest sky possible.
Dark starry sky is an essential beauty of our natural environment. This virtual reality video places you under the darkest sky possible.
Dark starry sky is an essential beauty of our natural environment. This fish-eye image displays perhaps the darkest sky possible.
What is the wave-like structure besides the Milky Way in this view from northern Chile? It is similar to airglow but in a wave-like structure.
Time-lapse video: sky in motion above Mount Kilimanjaro in Africa during a complete night of July.
Time-lapse video: sky in motion above Mount Kilimanjaro in Africa during a complete night of July.
Time-lapse video: Watching the Sky from very high altitude locations is an amazing experience as seen here from Chilean Andes.
Time-lapse video: Parinacota, a majestic volcano in northern Chile (6332 m), is seen here in a complete night under the starry sky.
While attending the annual Nebraska Star Party in USA, TWAN photographer recorded this long exposure trails of northern sky.
The annual Geminid meteor shower displayed a fascinating show in 2009, the best seen Geminid shower for many sky observers.
Green bands of light pass among the stars of Big Dipper, the prominent asterism of constellation Ursa Major.
Above the moon-washed landscape of Anza-Borrego Desert State Park in Southern California, stars wheel about the north celestial pole.
Startrails beyond a slab of limestone supported by a pedestal of sandstone.
Gegenschein and airglow recorded in a dark sky.
A time exposure of the northern sky with these Joshua Trees providing foreground revealed that the sky was filled with faint, red airglow.
Framed by the Milky Way and airglow, the Gegenschein floats above the 2001 Okie-Tex Star Party in Cimarron County, Oklahoma.
An incredible display of banded airglow at the annual Nebraska Star Party.
An incredible, clear summer night at the 2005 Nebraska Star Party.
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