Новости из категории: astronet

The Tail of a Christmas Comet

Сб, Декабрь 25, 2021 - 8:30

The tail of a comet streams across this three degree wide telescopic field of view captured under dark Namibian skies on December 21. In outburst only a few days ago and just reaching naked eye visibility Comet Leonard (C/2021 A1) is this..

A Study of Double-Mode High-Amplitude Delta Scuti Variable Stars Pulsating in the Fundamental and Fi

Пт, Декабрь 24, 2021 - 16:27

I present a detection of 118 new double-mode high-amplitude Delta Scuti variable stars, HADS(B) type, pulsating in the fundamental and first overtone modes. We analyzed all observations available for these stars in the ASAS-SN online..

M1: The Crab Nebula

Пт, Декабрь 24, 2021 - 8:30

The Crab Nebula is cataloged as M1, the first object on Charles Messier's famous 18th century list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, debris from the death explosion of a massive star,..

Астрономическая неделя с 27 декабря 2021 года по 2 января 2022 года

Пт, Декабрь 24, 2021 - 7:23

На данной неделе 28 декабря долгопериодическая переменная звезда R Дракона достигнет максимума блеска (5m), а Луна (Ф= 0,37-) пройдет..

Three Planets and a Comet

Чт, Декабрь 23, 2021 - 8:30

Are you still looking for that perfect holiday gift for an astronomer? If your night sky is dark and horizon clear enough, the Solar System may have done your shopping for you. Send them outside after sunset to see three planets and a..

Launch of the IXPE Observatory

Ср, Декабрь 22, 2021 - 8:30

Birds don't fly this high. Airplanes don't go this fast. The Statue of Liberty weighs less. No species other than human can even comprehend what is going on, nor could any human just a millennium ago. The launch of a

Solstice Sun and Milky Way

Вт, Декабрь 21, 2021 - 8:30

Welcome to December's solstice, first day of winter in the north and summer for the southern hemisphere. Astronomical markers of the seasons, solstice and equinox dates are based on the Sun's place in its annual journey along the ecliptic,..

Комета и болид

Пн, Декабрь 20, 2021 - 8:30

Эта картинка должна была запечатлеть комету. Была сделана серия снимков самой яркой кометы 2021 года: кометы Леонарда. Однако у

The Comet and the Fireball

Пн, Декабрь 20, 2021 - 8:30

This picture was supposed to feature a comet. Specifically, a series of images of the brightest comet of 2021 were being captured: Comet Leonard. But the universe had other plans. Within a fraction of a second, a meteor so bright it..

Planetary Alignment over Italy

Вс, Декабрь 19, 2021 - 8:30

It is not a coincidence that planets line up. That's because all of the planets orbit the Sun in (nearly) a single sheet called the plane of the ecliptic. When viewed from inside that plane -- as Earth dwellers are likely to do --

Stephan s Quintet

Сб, Декабрь 18, 2021 - 8:30

The first identified compact galaxy group, Stephan's Quintet is featured in this eye-catching image constructed with data drawn from the extensive Hubble Legacy Archive. About 300 million light-years away, only four of these five galaxies

Gemind of the North

Пт, Декабрь 17, 2021 - 8:30

An arid expanse of the Tengger Desert in north-central China, planet Earth fills the foreground of this starry scene. A widefield panoramic view, it was recorded shortly after moonset in the local predawn hours of December 14. Pictured in..