Astronomy Picture of the Day: Milky Way over Troll's Tongue

You have to take a long hike to see the Troll's Tongue -- ten hours over rocky terrain.

Astronomy Picture of the Day: Curiosity Vista from Vera Rubin Ridge

If you could stand on Mars -- what might you see? If you were NASA's Curiosity rover, just last month you would have seen the view from Vera Rubin Ridge, an intriguing rock-strewn perch on the side of Mount Sharp.

Astronomy Picture of the Day: M1: The Crab Nebula from Hubble

This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments.

Astronomy Picture of the Day: Real Time Perseid

Bright meteors and dark night skies made this year's Perseid meteor shower a great time for a weekend campout.

Astronomy Picture of the Day: Saturn's North Polar Hexagon

In full view, the amazing six-sided jet stream known as Saturn's north polar hexagon is shown in this colorful Cassini image.

Astronomy Picture of the Day: Along the Western Veil

Delicate in appearance, these filaments of shocked, glowing gas, are draped across planet Earth's sky toward the constellation of Cygnus.

Astronomy Picture of the Day: NGC 3628: Sideways Spiral Galaxy

What do spiral galaxies look like sideways? Featured is a sharp telescopic view of a magnificent edge-on spiral galaxy NGC 3628, a puffy galactic disk divided by dark dust lanes.

Astronomy Picture of the Day: Moon behind Lava Fountain

What's happened to the Moon? Nothing, but something has happened to the image of the Moon.

Astronomy Picture of the Day: Aurora around Saturn's North Pole

Are Saturn's auroras like Earth's? To help answer this question, the Hubble Space Telescope and the Cassini spacecraft monitored Saturn's North Pole simultaneously during Cassini's final orbits around the gas giant in September 2017.

Astronomy Picture of the Day: A Powerful Solar Flare

It was one of the most powerful solar flares in recorded history. Occurring in 2003 and seen across the electromagnetic spectrum, the Sun briefly became over 100 times brighter in X-rays than normal.

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