Astronomy Picture of the Day
    

Astronomy Picture Of the Day (APOD)

APOD: 2024 July 14 Б Meteor Misses Galaxy APOD: 2024 July 14 Б Meteor Misses Galaxy
13.07.2024

The galaxy was never in danger. For one thing, the Triangulum galaxy (M33), pictured, is much bigger than the tiny grain of rock at the head of the meteor. For another, the galaxy is much farther away -- in this instance 3 million light years as opposed to only about 0.0003 light seconds.


Solar System Family Portrait Solar System Family Portrait
12.07.2024

In 1990, cruising four billion miles from the Sun, the Voyager 1 spacecraft looked back to make this first ever Solar System family portrait. The complete portrait is a 60 frame mosaic made from a vantage point 32 degrees above the ecliptic plane.


Джонс-Эмберсон-1 Jones Emberson 1
11.07.2024

Planetary nebula Jones-Emberson 1 is the death shroud of a dying Sun-like star. It lies some 1,600 light-years from Earth toward the sharp-eyed constellation Lynx. About 4 light-years across, the expanding remnant...


Шаровое скопление ω Центавра Globular Cluster Omega Centauri
10.07.2024

Globular star cluster Omega Centauri packs about 10 million stars much older than the Sun into a volume some 150 light-years in diameter. Also known as NGC 5139, at a distance...


Триплет в Стрельце A Sagittarius Triplet
9.07.2024

These three bright nebulae are often featured on telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way. In fact, 18th century cosmic tourist Charles Messier cataloged two of them; M8, the large nebula above center, and colorful M20 below and left in the frame.


Серебристые облака над Флоридой APOD: 2024 July 9 Б Noctilucent Clouds over Florida
8.07.2024

These clouds are doubly unusual. First, they are rare noctilucent clouds, meaning that they are visible at night -- but only just before sunrise or just after sunset. Second, the source of these noctilucent clouds is actually known.


Зоопарк экзопланет: другие звезды APOD: 2024 July 8 Б Exoplanet Zoo: Other Stars
7.07.2024

Do other stars have planets like our Sun? Surely they do, and evidence includes slight star wobbles created by the gravity of orbiting exoplanets and slight star dimmings caused by orbiting planets moving in front.


Радужные облака над Швецией APOD: 2024 July 7 Б Iridescent Clouds over Sweden
6.07.2024

Why are these clouds multi-colored? A relatively rare phenomenon in clouds known as iridescence can bring up unusual colors vividly -- or even a whole spectrum of colors simultaneously. These polar stratospheric clouds also, known as nacreous and mother-of-pearl clouds, are formed of small water droplets of nearly uniform size.


NGC 7789: Роза Каролины NGC 7789: Caroline s Rose
5.07.2024

Found among the rich starfields of the Milky Way, star cluster NGC 7789 lies about 8,000 light-years away toward the constellation Cassiopeia. A late 18th century deep sky discovery of astronomer Caroline Lucretia Herschel, the cluster is also known as Caroline's Rose.


Млечный Путь над горой Этна Mount Etna Milky Way
4.07.2024

A glow from the summit of Mount Etna, famous active stratovolcano of planet Earth, stands out along the horizon in this mountain and night skyscape. Bands of diffuse light from congeries of innumerable stars along the Milky Way galaxy stretch across the sky above.


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