Новости из категории: astronet

APOD: 2020 August 19 Б The Sun Rotating

Ср, Август 19, 2020 - 7:30

Does the Sun change as it rotates? Yes, and the changes can vary from subtle to dramatic. In the featured time-lapse sequences, our Sun -- as imaged by NASA's Solar Dynamics Observatory -- is shown rotating though an entire month in..

APOD: 2020 August 18 Б TYC 8998 760 1: Multiple Planets around a Sun Like Star

Вт, Август 18, 2020 - 8:30

Do other stars have planets like our Sun? Previous evidence shows that they do, coming mostly from slight shifts in the star's light created by the orbiting planets. Recently, however, and for the first time, a pair of planets has..

APOD: 2020 August 18 Б TYC 8998 760 1: Multiple Planets around a Sun Like Star

Вт, Август 18, 2020 - 8:30

Do other stars have planets like our Sun? Previous evidence shows that they do, coming mostly from slight shifts in the star's light created by the orbiting planets. Recently, however, and for the first time, a pair of planets has..

Perseids Around the Milky Way

Пн, Август 17, 2020 - 7:30

Why would meteor trails appear curved? The arcing effect arises only because the image artificially compresses (nearly) the whole sky into a rectangle. The meteors are from the Perseid Meteor Shower that peaked last week.

APOD: 2020 August 16 Б NGC 6814: Grand Design Spiral Galaxy from Hubble

Вс, Август 16, 2020 - 8:30

In the center of this serene stellar swirl is likely a harrowing black-hole beast. The surrounding swirl sweeps around billions of stars which are highlighted by the brightest and bluest. The breadth and beauty of the display give the swirl..

APOD: 2020 August 15 Б Mars at the Moons Edge

Сб, Август 15, 2020 - 8:30

Does the Moon ever block out Mars? Yes, the Moon occasionally moves in front of all of the Solar System's planets. Just this past Sunday, as visible from some locations in South America, a waning gibbous Moon eclipsed Mars.

APOD: 2020 August 14 Б NGC 5189: An Unusually Complex Planetary Nebula

Пт, Август 14, 2020 - 8:30

Why is this nebula so complex? When a star like our Sun is dying, it will cast off its outer layers, usually into a simple overall shape. Sometimes this shape is a sphere, sometimes a double lobe, and sometimes a ring or a helix.

Астрономическая неделя с 17 по 23 августа 2020 года

Пт, Август 14, 2020 - 8:12

На данной неделе 17 августа Меркурий вступит в верхнее соединение с Солнцем, Луна (Ф= 0,02-) пройдет севернее звездного скопления Ясли (М44),..

APOD: 2020 August 13 Б Jupiter and Saturn Rising Beyond Alien Throne Rock

Чт, Август 13, 2020 - 7:30

Whatбplanets are those behind that unusualбrock spire? Saturn (lower left) and Jupiter.б This month, after sunset, the bright planetary duo are quite prominent toward the southeast.б Now your view of our Solar...

The Shifting Tails of Comet NEOWISE

Ср, Август 12, 2020 - 8:30

Keep your eye on the ion tail of Comet NEOWISE. A tale of this tail is the trail of the Earth. As with all comets, the blue ion tail always points away from the Sun. But as Comet C/2020 F3 (NEOWISE) rounded our Sun, its ion tail..

The Shifting Tails of Comet NEOWISE

Ср, Август 12, 2020 - 7:30

Keep your eye on the ion tail of Comet NEOWISE. A tale of this tail is the trail of the Earth. As with all comets, the blue ion tail always points away from the Sun. But as Comet C/2020 F3 (NEOWISE) rounded our Sun, its ion tail..

Churning Clouds on Jupiter

Вт, Август 11, 2020 - 8:30

Where is Jupiter's ammonia? Gaseous ammonia was expected to be seen in Jupiter's upper atmosphere by the orbiting Juno spacecraft -- but in many clouds is almost absent. Recent Juno data, however, gives some clues: some high-level..