Новости из категории: astronet

Messier 24: Sagittarius Star Cloud

Чт, Апрель 07, 2022 - 8:30

Unlike most entries in Charles Messier's famous catalog of deep sky objects, M24 is not a bright galaxy, star cluster, or nebula. It's a gap in nearby, obscuring interstellar dust clouds that allows a view of the distant stars in the..

Earendel: A Star in the Early Universe

Ср, Апрель 06, 2022 - 8:30

Is Earendel the farthest star yet discovered? This scientific possibility started when the Hubble Space Telescope observed a huge cluster of galaxies. The gravitational lens effectбof this cluster was seen to magnify and distort a..

Seven Sisters versus California

Вт, Апрель 05, 2022 - 8:30

On the upper right, dressed in blue, is the Pleiades. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and most easily visible open clusters on the sky. The Pleiades contains over 3,000 stars, is about..

A Vortex Aurora over Iceland

Пн, Апрель 04, 2022 - 7:30

No, the car was not in danger of being vacuumed into space by the big sky vortex. For one reason, the vortex was really an aurora, and since auroras are created by particles striking the Earth from space, they do not create a vacuum.

CMB Dipole: Speeding Through the Universe

Вс, Апрель 03, 2022 - 8:30

Our Earth is not at rest. The Earth moves around the Sun. The Sun orbits the center of the Milky Way Galaxy. The Milky Way Galaxy orbits in the Local Group of Galaxies. The Local Group falls toward the Virgo Cluster of..

Nova Scotia Northern Lights

Сб, Апрель 02, 2022 - 8:30

This almost otherworldly display of northern lights was captured in clear skies during the early hours of March 31 from 44 degrees north latitude, planet Earth. In a five second exposure the scene looks north from Martinique Beach Provincial..

Астрономическая неделя с 4 по 10 апреля 2022 года

Пт, Апрель 01, 2022 - 9:18

На данной неделе 4 апреля Луна (Ф= 0,11+) окажется в восходящем узле своей орбиты, а 5 апреля Марс пройдет в 0,3 гр. южнее Сатурна

Leaning Tower, Active Sun

Пт, Апрель 01, 2022 - 8:30

The natural filter of a hazy atmosphere offered this recognizable architecture and sunset view on March 27. Dark against the solar disk, large sunspots in solar active regions 2975 and 2976 are wedged between the Duomo of Pisa and its famous..

PZ Mon: Influence of Spots on Radial Velocity Measurements

Чт, Март 31, 2022 - 16:59

We present calculations of radial velocity corrections along the phase curve due to influence of the spotted surface of the active giant, PZ Mon. The maximum deviation from a relatively uniformly-bright stellar disk is about 0.20 -..

Exploring the Antennae

Чт, Март 31, 2022 - 7:30

Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. Stars in the two galaxies, cataloged as NGC 4038 and NGC 4039, very rarely collide in the course of the ponderous cataclysm that lasts..

Exploring the Antennae

Чт, Март 31, 2022 - 7:30

Animation: Odd Radio Circles

Ср, Март 30, 2022 - 8:30

What do you call a cosmic puzzle that no one expected to see? In this case, Odd Radio Circles, aka ORCs. ORC-1 typifies the enigmatic five objects, only visible at radio frequencies, that were serendipitously discovered in 2019..