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Astronomy Picture Of the Day (APOD)
Circular Sun Halo
9.06.2021
Want to see a ring around the Sun? It's easy to do in daytime skies around the world. Created by randomly oriented ice crystals in thin high cirrus clouds, circular 22 degree halos are visible much more often than rainbows. This one was captured by smart phone photography on May 29 near Rome, Italy.
A Total Lunar Eclipse Corona
8.06.2021
This moon appears multiply strange. This moon was a full moon, specificallyбcalled a Flower Moon at this time of the year. But that didn't make it strange -- full moons occur once a month (moon-th).
A Face in the Clouds of Jupiter from Juno
7.06.2021
What do you see in the clouds of Jupiter? On the largest scale, circling the planet, Jupiter has alternating light zones and reddish-brown belts. Rising zone gas, mostly hydrogen and helium, usually swirls around regions of high pressure. Conversely, falling belt gas usually whirls around regions of low pressure, like cyclones and hurricanes on Earth.
A Bright Nova in Cassiopeia
6.06.2021
WhatБs that new spot of light in Cassiopeia? A nova. Although novas occur frequently throughout the universe, this nova, known as Nova Cas 2021 or V1405 Cas, became so unusually bright in the skies of Earth last month that it was visible to the unaided eye.
A Distorted Sunrise Eclipse
5.06.2021
Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness, the Sun appeared to rise in two pieces and during partial eclipse, causing the photographer to describe it as the most stunning sunrise of his life.
The Shining Clouds of Mars
4.06.2021
The weathered and layered face of Mount Mercou looms in the foreground of this mosaic from the Curiosity Mars rover's Mast Camera. Made up of 21 individual images the scene was recorded just after sunset on March 19, the 3,063rd martian day of Curiosity's on going exploration of the Red Planet.
Blood Monster Moon
3.06.2021
On May 26, the Full Flower Moon was caught in this single exposure as it emerged from Earth's shadow and morning twilight began to wash over the western sky. Posing close...
Millions of Stars in Omega Centauri
2.06.2021
Globular star cluster Omega Centauri, also known as NGC 5139, is some 15,000 light-years away. The cluster is packed with about 10 million stars much older than the Sun within a volume about 150 light-years in diameter.
The Galactic Center in Stars, Gas, and Magnetism
1.06.2021
What's going on near the center of our galaxy? To help find out, a newly detailed panorama has been composed that explores regions just above and below the galactic plane in radio and X-ray light.
Starlink over Orion
31.05.2021
What are those streaks across Orion? Most are reflections of sunlight from numerous Earth-orbiting Starlink satellites. Appearing by eye as a series of successive points floating across a twilight sky, the increasing number of SpaceX Starlink communication satellites are causing concern among many astronomers.
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