Новости из категории: astronet

Mercury in Silhouette

Ср, Ноябрь 13, 2019 - 8:30

The small, dark, round spot in this solar close up is planet Mercury. In the high resolution telescopic image, a colorized stack of 61 sharp video frames, a turbulent array of photospheric convection cells tile the bright solar surface.

NGC 3717: A Nearly Sideways Spiral Galaxy

Вт, Ноябрь 12, 2019 - 8:30

Some spiral galaxies are seen nearly sideways. Most bright stars in spiral galaxies swirl around the center in a disk, and seen from the side, this disk can be appear quite thin. Some spiral galaxies appear even thinner than NGC..

Lunar Craters Langrenus and Petavius

Пн, Ноябрь 11, 2019 - 8:30

The history of the Moon is partly written in its craters. Pictured here is a lunar panorama taken from Earth featuring the large craters Langrenus, toward the left, and Petavius, toward the right. The craters formed in separate

A Mercury Transit Sequence

Вс, Ноябрь 10, 2019 - 8:30

Tomorrow -- Monday -- Mercury will cross the face of the Sun, as seen from Earth. Called a transit, the last time this happened was in 2016. Because the plane of Mercury's orbit is not exactly coincident with the plane of..

Saturn the Giant

Сб, Ноябрь 09, 2019 - 8:30

On May 25, 1961 U.S. president John Kennedy announced the goal of landing astronauts on the Moon by the end of the decade. By November 9, 1967 this Saturn V rocket was ready for launch and the first full test of its capabilities on the

NGC 3572 and the Southern Tadpoles

Пт, Ноябрь 08, 2019 - 8:33

This cosmic skyscape features glowing gas and dark dust clouds along side the young stars of NGC 3572. A beautiful emission nebula and star cluster in far southern skies, the region is often overlooked by astroimagers in favor of its..

Астрономическая неделя с 11 по 17 ноября 2019 года

Пт, Ноябрь 08, 2019 - 6:18

На данной неделе (весьма насыщенной интересными астрономическими явлениями) 11 ноября Луна (Ф= 0,98+) пройдет южнее Урана, а Меркурий..

Messier 45: The Daughters of Atlas and Pleione

Чт, Ноябрь 07, 2019 - 8:30

Hurtling through a cosmic dust cloud a mere 400 light-years away, the lovely Pleiades or Seven Sisters open star cluster is well-known for its striking blue reflection nebulae. It lies in the night sky toward the constellation Taurus and the..

21st Century M101

Ср, Ноябрь 06, 2019 - 8:30

One of the last entries in Charles Messier's famous catalog, big, beautiful spiral galaxy M101 is 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 Galaxy.

Spiral Galaxies Spinning Super Fast

Вт, Ноябрь 05, 2019 - 8:30

Why are these galaxies spinning so fast? If you estimated each spiral's mass by how much light it emits, their fast rotations should break them apart. The leading hypothesis as to why these galaxies don't break apart is dark matter..

Near the Center of the Lagoon Nebula

Пн, Ноябрь 04, 2019 - 8:30

Stars are battling gas and dust in the Lagoon Nebula but the photographers are winning. Also known as M8, this photogenic nebula is visible even without binoculars towards the constellation of the Archer (Sagittarius). The energetic..

Daphnis and the Rings of Saturn

Вс, Ноябрь 03, 2019 - 6:30

What's happening to the rings of Saturn? A little moon making big waves. The moon is 8-kilometer Daphnis and it is making waves in the Keeler Gap of Saturn's rings using just its gravity -- as it bobs up and down, in and out.