Новости из категории: astronet

Jupiters Europa from Spacecraft Juno

Пн, Октябрь 03, 2022 - 8:30

What mysteries might be solved by peering into this crystal ball? In this case, the ball is actually a moon of Jupiter, the crystals are ice, and the moon is not only dirty but cracked beyond repair. Nevertheless, speculation is..

Supernova Cannon Expels Pulsar J0002

Вс, Октябрь 02, 2022 - 8:30

What could shoot out a neutron star like a cannon ball? A supernova. About 10,000 years ago, the supernova that created the nebular remnant CTB 1 not only destroyed a massive star but blasted its newly formed neutron star core -- a

Lunation Matrix

Сб, Октябрь 01, 2022 - 8:30

Observe the Moon every night and you'll see its visible sunlit portion gradually change. In phases progressing from New Moon to Full Moon to New Moon again, a lunar cycle or lunation is completed in about 29.5 days.

Астрономическая неделя с 3 по 9 октября 2022 года

Пт, Сентябрь 30, 2022 - 7:36

На данной неделе 4 октября Луна (Ф= 0,69+) достигнет перигея своей орбиты на расстоянии 369328км от центра Земли, а 9 октября наступит..

Астрономическая неделя с 3 по 9 октября 2022 года

Пт, Сентябрь 30, 2022 - 7:36

Equinox Sunrise Around the World

Пт, Сентябрь 30, 2022 - 7:30

A planet-wide collaboration resulted in this remarkable array of sunrise photographs taken around the September 2022 equinox. The images were contributed by 24 photographers, one in each of 24 nautical time zones around the world.

DART Asteroid Impact from Space

Чт, Сентябрь 29, 2022 - 8:30

Fifteen days before impact, the DART spacecraft deployed a small companion satellite to document its historic planetary defense technology demonstration. Provided by the Italian Space Agency, the Light Italian CubeSat for Imaging..

A Furious Sky over Mount Shasta

Ср, Сентябрь 28, 2022 - 8:30

Is the sky angry with Mount Shasta? According to some ancient legends, the spirits of above and below worlds fight there, sometimes quite actively during eruptions of this enormous volcano in California, USA. Such drama can well be..

DART: Impact on Asteroid Dimorphos

Вт, Сентябрь 27, 2022 - 8:30

Could humanity deflect an asteroid headed for Earth? Yes. Deadly impacts from large asteroids have happened before in Earth's past, sometimes causing mass extinctions of life. To help protect our Earth from some...

All the Water on Planet Earth

Пн, Сентябрь 26, 2022 - 8:30

How much of planet Earth is made of water? Very little, actually. Although oceans of water cover about 70 percent of Earth's surface, these oceans are shallow compared to the Earth's radius.

The Fairy of Eagle Nebula

Вс, Сентябрь 25, 2022 - 8:30

The dust sculptures of the Eagle Nebula are evaporating. As powerful starlight whittles away these cool cosmic mountains, the statuesque pillars that remain might be imagined as mythical beasts. Featured here is one of several striking..

September Sunrise Shadows

Сб, Сентябрь 24, 2022 - 8:30

The defining astronomical moment for this September's equinox was on Friday, September 23, 2022 at 01:03 UTC, when the Sun crossed the celestial equator moving south in its yearly journey through planet Earth's sky.