Новости из категории: astronet

RS Puppis

Пт, Май 17, 2019 - 8:31

Pulsating RS Puppis, the brightest star in the image center, is some ten times more massive than our Sun and on average 15,000 times more luminous. In fact, RS Pup is a Cepheid...

Dark Skies: Turn on the Night

Чт, Май 16, 2019 - 8:30

Have you ever experienced a really dark night sky? One common and amazing feature is the glowing band of our Milky Way galaxy stretching from horizon to horizon. If you live in or near...

Anemic Spiral NGC 4921 from Hubble

Ср, Май 15, 2019 - 8:30

How far away is spiral galaxy NGC 4921? It's surpringly important to know. Although presently estimated to be about 300 million light years distant, a more precise determination could be coupled with its known recession speed to help..

Молодое звездное скопление Трюмплер 14

Вт, Май 14, 2019 - 8:31

Почему в звездном скоплении Трюмплер 14 так много ярких звезд? — Потому что оно очень молодо. Многие звезды скопления..

Young Star Cluster Trumpler 14 from Hubble

Вт, Май 14, 2019 - 7:31

Why does star cluster Trumpler 14 have so many bright stars? Because it is so young. Many cluster stars have formed only in the past 5 million years and are so hot they emit detectable X-rays.

Rho Ophiuchi Wide Field

Пн, Май 13, 2019 - 7:30

The colorful clouds surrounding the star system Rho Ophiuchi compose one of the closest star forming regions. Rho Ophiuchi itself is a binary star system visible in the blue reflection nebula just to the left of the image center.

Ash and Lightning above an Icelandic Volcano

Вс, Май 12, 2019 - 8:30

Why did a picturesque volcanic eruption in Iceland create so much ash? Although the large ash plume was not unparalleled in its abundance, its location was particularly noticeable because it drifted across such well-populated areas.

Milky Way, Launch, and Landing

Сб, Май 11, 2019 - 1:30

The Milky Way doesn't look quite this colorful and bright to the eye, but a rocket launch does. So a separate deep exposure with a sensitive digital camera was used in this composite skyscape to bring out our galaxy's central crowded

Астрономическая неделя с 13 по 19 мая 2019 года

Пт, Май 10, 2019 - 8:43

На данной неделе 13 мая Луна (Ф= 0,71+) окажется в перигее своей орбиты на расстоянии 369012 км от центра Земли, а на следующий день..

Halley Dust and Milky Way

Пт, Май 10, 2019 - 8:30

Grains of cosmic dust streaked through the mostly moonless night skies of May 7. Swept up as planet Earth plowed through the debris streams left behind by periodic Comet Halley, the annual meteor shower is known as the Eta Aquarids.

Messier 5

Чт, Май 09, 2019 - 8:30

"Beautiful Nebula discovered between the Balance [Libra] & the Serpent [Serpens] ..." begins the description of the 5th entry in 18th century astronomer Charles Messier's famous catalog of nebulae and star clusters. Though it appeared...

Jupiter Marble from Juno

Ср, Май 08, 2019 - 8:30

What does Jupiter look like up close? Most images of Jupiter are taken from far away, either from Earth or from a great enough distance that nearly half the planet is visible. This shot, though, was composed from images taken..