Новости из категории: astronet

Primordial Contact Binary 2014 MU69

Ср, Май 22, 2019 - 8:30

Primordial contact binary 2014 MU69, also known as Ultima Thule, really is very red. In fact, it's the reddest outer solar system object ever visited by a spacecraft from Earth. Its reddish hue is believed to be due to organic materials on..

Deep Field: Nebulae of Sagittarius

Вт, Май 21, 2019 - 8:30

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..

Planets of the Solar System: Tilts and Spins

Пн, Май 20, 2019 - 8:30

How does your favorite planet spin? Does it spin rapidly around a nearly vertical axis, or horizontally, or backwards? The featured video animates NASA images of all eight planets in our Solar System to show them spinning side-by-side..

Планеты Солнечной системы: наклоны и вращение

Пн, Май 20, 2019 - 7:30

Как вращается ваша любимая планета? Может быть, она быстро вращается вокруг почти вертикальной оси, или ось направлена

A Circumhorizontal Arc Over Ohio

Вс, Май 19, 2019 - 8:30

Why would clouds appear to be different colors? The reason here is that ice crystals in distant cirrus clouds are acting like little floating prisms. Sometimes known as a fire rainbow for its flame-like appearance, a circumhorizon arc..

Atlas, Daphnis, and Pan

Сб, Май 18, 2019 - 8:30

Atlas, Daphnis, and Pan are small, inner, ring moons of Saturn. They are shown at the same scale in this montage of images by the Cassini spacecraft that made its grand final orbit of the ringed planet in September 2017. In fact,..

Астрономическая неделя с 20 по 26 мая 2019 года

Пт, Май 17, 2019 - 8:36

На данной неделе 20 мая Луна (Ф= 0,96-) пройдет близ Юпитера, 21 мая Меркурий окажется в верхнем соединении с Солнцем, а астероид Массалия (20)..

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.