Новости из категории: astronet

NGC 281: Starless with Stars

Пт, Ноябрь 19, 2021 - 8:30

In visible light the stars have been removed from this narrow-band image of NGC 281, a star forming region some 10,000 light-years away toward the constellation Cassiopeia. Stars were digitally added back to the resulting starless image..

Астрономическая неделя с 22 по 28 ноября 2021 года

Пт, Ноябрь 19, 2021 - 7:21

На данной неделе 26 ноября произойдет покрытие Луной (Ф= 0,56-) звезды эта Льва (3,5m) при видимости на большей части страны

Full Moonlight

Чт, Ноябрь 18, 2021 - 8:30

A photographer in silhouette stands in bright moonlight as the Full Moon rises in this well-planned telephoto image. Of course, the Full Moon is normally the brightest lunar phase. But on November 18/19, the Full Moon's light will be..

NGC 3314: When Galaxies Overlap

Ср, Ноябрь 17, 2021 - 8:30

Why doesn't the nearby galaxy create a gravitational lensing effect on the background galaxy? It does, but since both galaxies are so nearby, the angular shift is much smaller than the angular sizes of the galaxies themselves.

Geminids from Gemini

Вт, Ноябрь 16, 2021 - 8:30

Where are all of these meteors coming from? In terms of direction on the sky, the pointed answer is the constellation of Gemini. That is why the major meteor shower in December is known as the Geminids -- because shower meteors all..

Light Pillar over Volcanic Etna

Пн, Ноябрь 15, 2021 - 8:30

What happening above that volcano? Something very unusual -- a volcanic light pillar. More typically, light pillars are caused by sunlight and so appear as a bright column that extends upward above a rising or setting Sun.

How to Identify that Light in the Sky

Вс, Ноябрь 14, 2021 - 8:30

What is that light in the sky? Perhaps one of humanity's more common questions, an answer may result from a few quick observations. For example -- is it moving or blinking?

Rosetta s Comet in Gemini

Сб, Ноябрь 13, 2021 - 8:30

Returning along its 6.4 year orbit, periodic comet Churyumov-Gerasimenko (67P) is caught in this telescopic frame from November 7. Sweeping past background stars in the constellation Gemini the comet's dusty tail stretches toward the upper..

M33: The Triangulum Galaxy

Пт, Ноябрь 12, 2021 - 7:30

The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy. M33 is over 50,000 light-years in diameter, third largest in the..

Астрономическая неделя с 15 по 21 ноября 2021 года

Пт, Ноябрь 12, 2021 - 6:18

На данной неделе 19 ноября произойдет частное лунное затмение (при видимости всех фаз затмения в северных районах страны и на Дальнем..

NGC 1333: Stellar Nursery in Perseus

Чт, Ноябрь 11, 2021 - 8:30

NGC 1333 is seen in visible light as a reflection nebula, dominated by bluish hues characteristic of starlight reflected by interstellar dust. A mere 1,000 light-years distant toward the heroic constellation Perseus, it lies at the edge of..

Video of a Green Flash

Ср, Ноябрь 10, 2021 - 8:30

Many think it is just a myth. Others think it is true but its cause isn't known. Adventurers pride themselves on having seen it. It's a green flash from the Sun. The truth is the green flash does exist and its cause is well..