Новости из категории: astronet

NGC 7023: The Iris Nebula

Пт, Сентябрь 03, 2021 - 7:30

These cosmic clouds have blossomed 1,300 light-years away, in the fertile starfields of the constellation Cepheus. Called the Iris Nebula, NGC 7023 is not the only nebula to evoke the imagery of flowers.

Астрономическая неделя с 6 по 12 сентября 2021 года

Пт, Сентябрь 03, 2021 - 7:17

На данной неделе 9 сентября произойдет покрытие на 2 секунды звезды HIP 29775 7,3m из созвездия Ориона астероидом Бавария (301) при видимости..

M51: The Whirlpool Galaxy

Чт, Сентябрь 02, 2021 - 8:30

Find the Big Dipper and follow the handle away from the dipper's bowl until you get to the last bright star. Then, just slide your telescope a little south and west and you'll come upon this stunning pair of interacting galaxies, the 51st..

Dancing Ghosts: Curved Jets from Active Galaxies

Ср, Сентябрь 01, 2021 - 7:30

Why would galaxies emit jets that look like ghosts? And furthermore, why do they appear to be dancing? The curled and fluffy jets from the supermassive black holes at the centers of two host galaxies (top center and lower left)..

New Variable Stars in Lacerta: Area of 2°.3×2°.3, Center α=22h50m δ=54°00′ (2000.0). Part II

Вт, Август 31, 2021 - 16:29

Photometric Study of Classical Nova V1674 Her

Вт, Август 31, 2021 - 14:13

An analysis of the new UBVR_cI_c observations of V1674 Her obtained by the authors shows that the star is a very fast Nova, with parameters T_2 = 1.1d, T_3 = 2.2d. The orbital period at the brightness decline, 39 - 56 days after the..

A Blue Moon in Exaggerated Colors

Вт, Август 31, 2021 - 8:30

The Moon is normally seen in subtle shades of grey or gold. But small, measurable color differences have been greatly exaggerated to make this telescopic, multicolored, moonscape captured during the Moon's full phase. The different..

A Fire Rainbow over West Virginia

Пн, Август 30, 2021 - 8:30

What's happening to this cloud? Ice crystals in a distant cirrus cloud are acting like little floating prisms. Known informally as a fire rainbow for its flame-like appearance, a circumhorizon arc appears parallel to the horizon.

A Fire Rainbow over West Virginia

Пн, Август 30, 2021 - 8:30

Orbits of Potentially Hazardous Asteroids

Вс, Август 29, 2021 - 8:30

Are asteroids dangerous? Some are, but the likelihood of a dangerous asteroid striking the Earth during any given year is low. Because some past mass extinction events have been linked to asteroid impacts, however, humanity has made it a..

Mars Rock Rochette

Сб, Август 28, 2021 - 8:30

Taken on mission sol 180 (August 22) this sharp image from a Hazard Camera on the Perseverance rover looks out across a rock strewn floor of Jezero crater on Mars. At 52.5 centimeters (21 inches) in diameter, one of the rover's steerable..