Новости из категории: astronet

Quadruple Lunar Halo Over Winter Road

Вс, Январь 02, 2022 - 7:30

Sometimes falling ice crystals make the atmosphere into a giant lens causing arcs and halos to appear around the Sun or Moon. One Saturday night in 2012 was just such a time near Madrid, Spain, where a winter sky displayed not only a bright..

The Full Moon of 2021

Сб, Январь 01, 2022 - 8:30

Every Full Moon of 2021 shines in this year-spanning astrophoto project, a composite portrait of the familiar lunar nearside at each brightest lunar phase. Arranged by moonth, the year progresses in stripes beginning at the top.

JWST on the Road to L2

Пт, Декабрь 31, 2021 - 8:30

This timelapse gif tracks the James Webb Space Telescope as it streaks across the stars of Orion on its journey to a destination beyond the Moon. Recorded on December 28, 12 consecutive exposures each 10 minutes long were aligned and..

Астрономическая неделя с 3 по 9 января 2022 года

Чт, Декабрь 30, 2021 - 16:59

На данной неделе 4 января Луна (Ф= 0,03+) пройдет южнее Меркурия, а Земля достигнет перигелия своей орбиты на расстоянии 0,9833365 а.е. от..

The Further Tail of Comet Leonard

Чт, Декабрь 30, 2021 - 8:30

Comet Leonard, brightest comet of 2021, is at the lower left of these two panels captured on December 29 in dark Atacama desert skies. Heading for its perihelion on January 3 Comet Leonard's visible tail has grown.

Giant Storms and High Clouds on Jupiter

Ср, Декабрь 29, 2021 - 8:30

What and where are these large ovals? They are rotating storm clouds on Jupiter imaged last month by NASA's Juno spacecraft. In general, higher clouds are lighter in color, and the lightest clouds visible are the relatively small clouds..

Sun Halo over Sweden

Вт, Декабрь 28, 2021 - 8:30

What's happened to the Sun? Sometimes it looks like the Sun is being viewed through a giant lens. In the featured video, however, there are actually millions of tiny lenses: ice crystals. Water may freeze in the atmosphere into..

Comet Leonard behind JWST Launch Plume

Пн, Декабрь 27, 2021 - 7:30

Which one of these two streaks is a comet? Although they both have comet-like features, the lower streak is the only real comet. This lower streak shows the coma and tail of Comet Leonard...

James Webb Space Telescope over Earth

Вс, Декабрь 26, 2021 - 8:30

There's a big new telescope in space. This one, the James Webb Space Telescope (JWST), not only has a mirror over five times larger than Hubble's in area, but can see better in infrared light.

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,..