Новости из категории: astronet

Equinox on Planet Earth

Ср, Март 20, 2019 - 7:30

Welcome to an equinox on planet Earth. Today is the first day of spring in our fair planet's northern hemisphere, fall in the southern hemisphere, with day and night nearly equal around the globe.

Abell 370: Galaxy Cluster Gravitational Lens

Вт, Март 19, 2019 - 7:30

What are those strange arcs? While imaging the cluster of galaxies Abell 370, astronomers noticed an unusual arc. The arc wasn't understood right away -- not until better images showed that...

The dark Horsehead Nebula and the glowing Orion Nebula are contrasting cosmic vistas. Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, they appear in opposite corners of the above stunning..

M106: A Spiral Galaxy with a Strange Center

Вс, Март 17, 2019 - 7:30

What's happening at the center of spiral galaxy M106? A swirling disk of stars and gas, M106's appearance is dominated by blue spiral arms and red dust lanes near the nucleus, as shown in the featured image.

NGC 3324 in Carina

Сб, Март 16, 2019 - 6:30

This bright cosmic cloud was sculpted by stellar winds and radiation from the hot young stars of open cluster NGC 3324. With dust clouds in silhouette against its glowing atomic gas, the pocket-shaped star-forming region actually spans..

Астрономическая неделя с 18 по 24 марта 2019 года

Пт, Март 15, 2019 - 7:42

На данной неделе 18 марта долгопериодическая переменная звезда SS Девы достигнет максимума блеска (6m), 19 марта Луна (Ф= 0,94+) пройдет..

A View Toward M101

Пт, Март 15, 2019 - 7:30

Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier's famous catalog, but definitely not one of the least. About 170,000 light-years across, this galaxy is enormous, almost twice the size of our own Milky Way..

Perseverance Valley Panorama

Чт, Март 14, 2019 - 7:31

Mars exploration rover Opportunity's parting panorama from Perseverance Valley spans 360 degrees in this false color mosaic. The scene is composed of 354 individual images recorded through 3 different color filters by the rover's panoramic..

Highlights of the North Spring Sky

Ср, Март 13, 2019 - 7:30

What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere. Viewed as a clock face centered at the bottom, early (northern) spring sky events fan out toward the left, while..

Touchdown on Asteroid Ryugu

Вт, Март 12, 2019 - 7:30

Last month, humanity bounced a robot off an asteroid. The main reason was to collect a surface sample. Despite concern over finding a safely reboundable touchdown spot, Japan's robotic Hayabusa2 spacecraft successfully touched down --..

The Central Magnetic Field of the Cigar Galaxy

Пн, Март 11, 2019 - 7:30

Are galaxies giant magnets? Yes, but the magnetic fields in galaxies are typically much weaker than on Earth's surface, as well as more complex and harder to measure. Recently, though, the HAWC+ instrument...

Moonrise Through Mauna Keas Shadow

Вс, Март 10, 2019 - 8:30

How can the Moon rise through a mountain? It cannot -- what was photographed here is a moonrise through the shadow of a large volcano. The volcano is Mauna Kea, Hawai'i, USA, a frequent spot for spectacular photographs since it..