Новости из категории: astronet

38 Hours in the M81 Group

Чт, Апрель 10, 2025 - 7:30

From a garden on planet Earth, 38 hours of exposure with a camera and small telescope produced this cosmic photo of the M81 galaxy group. In fact, the group's dominant galaxy M81 is near the center of the frame sporting grand spiral arms and..

APOD: 2025 April 9 Б HH 49: Interstellar Jet from Webb

Ср, Апрель 09, 2025 - 8:30

What's at the tip of this interstellar jet? First let's consider the jet: it is being expelled by a star system just forming and is cataloged as Herbig-Haro 49 (HH 49). The star system expelling this jet is not visible -- it is off to..

APOD: 2025 April 8 Б Moon Visits Sister Stars

Вт, Апрель 08, 2025 - 8:30

Sometimes, the Moon visits the Pleiades. Technically, this means that the orbit of our Moon takes it directly in front of the famous Pleiades star cluster, which is far in the distance. The technical...

APOD: 2025 April 7 Б NGC 4414: A Flocculent Spiral Galaxy

Пн, Апрель 07, 2025 - 8:30

How much mass do flocculent spirals hide? The featured image of flocculent spiral galaxy NGC 4414 was taken with the Hubble Space Telescope to help answer this question. Flocculent spirals -- galaxies without well-defined spiral arms..

APOD: 2025 April 6 Б Moonquakes Surprisingly Common

Вс, Апрель 06, 2025 - 8:30

Why are there so many moonquakes? Analyses of seismometers left on the moon during the Apollo moon landings reveal a surprising number of moonquakes occurring within 100 kilometers of the surface. In fact, 62 moonquakes were..

APOD: 2025 April 6 Б Moonquakes Surprisingly Common

Вс, Апрель 06, 2025 - 7:30

A Gargoyles Eclipse

Сб, Апрель 05, 2025 - 8:30

In dramatic silhouette against a cloudy daytime sky over Paris, France, gargoyles cast their monstrous gaze outward from the west facade of Notre Dame Cathedral. Taken on March 29, this telephoto snapshot also captures the dramatic..

Hickson 44 in Leo

Пт, Апрель 04, 2025 - 7:30

Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups. The four prominent galaxies seen in this intriguing telescopic..

The Da Vinci Glow

Чт, Апрель 03, 2025 - 7:30

A 26 hour old Moon poses behind the craggy outline of the Italian Dolomites in this twilight mountain and skyscape. The one second long exposure was captured near moonset on March 30. And while...

APOD: 2025 April 2 Б Jupiter and Ring in Infrared from Webb

Ср, Апрель 02, 2025 - 8:30

Why does Jupiter have rings? Jupiter's main ring was discovered in 1979 by NASA's passing Voyager 1 spacecraft, but its origin was then a mystery. Data from NASA's Galileo spacecraft that...

APOD: 2025 April 2 Б Jupiter and Ring in Infrared from Webb

Ср, Апрель 02, 2025 - 8:30

Why does Jupiter have rings? Jupiter's main ring was discovered in 1979 by NASA's passing Voyager 1 spacecraft, but its origin was then a mystery. Data from NASA's Galileo spacecraft that...