Новости из категории: astronet

Elephant s Trunk and Caravan

Пт, Август 27, 2021 - 8:30

Like an illustration in a galactic Just So Story, the Elephant's Trunk Nebula winds through the emission nebula and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Also known as vdB 142, seen on the..

A Blue Hour Full Moon

Чт, Август 26, 2021 - 7:30

Nature photographers and other fans of planet Earth always look forward to the blue hour. That's the transition in twilight, just before sunrise or after sunset, when the Sun is below the horizon but land and sky are still suffused with a..

Solar System Ball Drop

Ср, Август 25, 2021 - 8:30

Does a ball drop faster on Earth, Jupiter, or Uranus? The featured animation shows a ball dropping from one kilometer high toward the surfaces of famous solar system bodies, assuming no air resistance. The force of gravity depends on..

PDS 70: Disk, Planets, and Moons

Вт, Август 24, 2021 - 8:30

It's not the big disk that's attracting the most attention. Although the big planet-forming disk around the star PDS 70 is clearly imaged and itself quite interesting. It's also not the planet on the right, just inside the big disk,..

Abell 3827: Cannibal Cluster Gravitational Lens

Пн, Август 23, 2021 - 8:30

Is that one galaxy or three? Toward the right of the featured Hubble image of the massive galaxy cluster Abell 3827 is what appears to be a most unusual galaxy -- curved and with three centers.

Explosions from White Dwarf Star RS Oph

Вс, Август 22, 2021 - 8:30

Spectacular explosions keep occurring in the binary star system named RS Ophiuchi. Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosion..

Triple Transit and Mutual Events

Сб, Август 21, 2021 - 8:30

These three panels feature the Solar System's ruling gas giant Jupiter on August 15 as seen from Cebu City, Phillipines, planet Earth. On that date the well-timed telescopic views detail some remarkable performances, transits and mutual..

Астрономическая неделя с 23 по 29 августа 2021 года

Пт, Август 20, 2021 - 8:12

На данной неделе 24 августа Луна (Ф= 0,97-) проходит южнее Нептуна, а 27 августа комета P/Tuttle (8P) пройдет перигелий своей орбиты

Календарь наблюдателя на октябрь 2021 года

Пт, Август 20, 2021 - 8:07

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела, доступные для..

Three Perseid Nights

Пт, Август 20, 2021 - 7:30

Frames from a camera that spent three moonless nights under the stars create this composite night skyscape. They were recorded during August 11-13 while planet Earth was sweeping through the dusty trail of comet Swift-Tuttle.

Bright Meteor, Starry Sky

Чт, Август 19, 2021 - 7:30

Plowing through Earth's atmosphere at 60 kilometers per second, this bright perseid meteor streaks along a starry Milky Way. Captured in dark Portugal skies on August 12, it moves right to left through the frame.

Rings Around the Ring Nebula

Ср, Август 18, 2021 - 8:30

The Ring Nebula (M57), is more complicated than it appears through a small telescope. The easily visible central ring is about one light-year across, but this remarkably deep exposure - a collaborative effort combining data from three..