Новости из категории: astronet

The Red Spider Planetary Nebula

Ср, Апрель 19, 2017 - 8:30

Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star.

Night Glows

Вт, Апрель 18, 2017 - 8:30

What glows in the night? This night, several unusual glows were evident -- some near, but some far. The foreground surf glimmers blue with the light of bioluminescent plankton. Next out, Earth's atmosphere dims the horizon and..

Two Million Stars on the Move

Пн, Апрель 17, 2017 - 8:30

If you could watch the night sky for one million years -- how would it change? Besides local effects caused by the Earth's spin and the reorientation of the Earth's spin axis, the stars themselves will move.

Life Enabling Plumes above Enceladus

Вс, Апрель 16, 2017 - 8:30

Does Enceladus have underground oceans that could support life? The discovery of jets spewing water vapor and ice was detected by the Saturn-orbiting Cassini spacecraft in 2005. The origin of the water feeding the jets, however, was..

Luminous Salar de Uyuni

Сб, Апрель 15, 2017 - 7:30

A scene in high contrast this thoughtful night skyscape is a modern composition inspired by M. C. Escher's lithograph Phosphorescent Sea. In it, bright familiar stars of Orion the Hunter and Aldebaran, eye of Taurus the Bull, hang in clear..

Астрономическая неделя с 17 по 23 апреля 2017 года

Пт, Апрель 14, 2017 - 20:47

На данной неделе Луна (Ф= 0,68-) достигнет минимального склонения (-19,0 градусов) в созвездии Стрельца ( в начале недели). В середине недели..

Earth Shadow over Damavand

Пт, Апрель 14, 2017 - 8:30

Through crystal clear skies this beautiful panorama follows the curve of planet Earth's shadow rising across the top of the world. The tantalizing twilight view is composed of eight single frames captured from 4,000 meters above sea level at..

Moons and Jupiter

Чт, Апрель 13, 2017 - 8:30

On April 10, a Full Moon and Jupiter shared this telephoto field of view. Both were near opposition, opposite the Sun in Earth's night sky. Captured when a passing cloud bank dimmmed...

Moons and Jupiter

Чт, Апрель 13, 2017 - 7:30

On April 10, a Full Moon and Jupiter shared this telephoto field of view. Both were near opposition, opposite the Sun in Earth's night sky. Captured when a passing cloud bank dimmmed...

Leo Trio

Ср, Апрель 12, 2017 - 8:30

This group is popular in the northern spring. Famous as the Leo Triplet, the three magnificent galaxies gather in one field of view. Crowd pleasers when imaged with even modest telescopes, they can be introduced individually as NGC 3628..

Man, Dog, Sun

Вт, Апрель 11, 2017 - 8:30

This was supposed to be a shot of trees in front of a setting Sun. Sometimes, though, the unexpected can be photogenic. During some planning shots, a man walking his dog unexpected crossed the ridge. The result was so striking that,..

Galaxy Cluster Gas Creates Hole in Microwave Background

Пн, Апрель 10, 2017 - 8:30

Why would this cluster of galaxy punch a hole in the cosmic microwave background (CMB)? First, the famous CMB was created by cooling gas in the early universe and flies right through most gas and dust in the universe. It is all..