Новости из категории: astronet

The Antikythera Mechanism

Вс, Март 21, 2021 - 7:30

No one knew that 2,000 years ago, the technology existed to build such a device. The Antikythera mechanism, pictured, is now widely regarded as the first computer. Found at the bottom...

This popular group leaps into the early evening sky around the March equinox and the northern hemisphere spring. Famous as the Leo Triplet, the three magnificent galaxies found in the prominent constellation Leo gather here in one..

Central Lagoon in Infrared

Пт, Март 19, 2021 - 7:30

Stars fill this infrared view, spanning 4 light-years across the center of the Lagoon Nebula. Visible light images show the glowing gas and obscuring dust clouds that dominate the scene. But this infrared image...

Календарь наблюдателя на апрель 2021 года

Пт, Март 19, 2021 - 7:11

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела, доступные для наблюдений..

Астрономическая неделя с 22 по 28 марта 2021 года

Пт, Март 19, 2021 - 7:00

На данной неделе 22 марта Луна (Ф= 0,57+) пройдет точку максимального склонения к северу от небесного экватора, а 23 марта..

BVg’r’ CCD Observations of AS Cas

Чт, Март 18, 2021 - 14:42

1665 magnitude measurements in the B, V, g', and r' filters were acquired for the double-mode Cepheid AS Cas. The light curves for both fundamental and first-overtone modes were constructed.

Stardust in the Perseus Molecular Cloud

Чт, Март 18, 2021 - 6:30

Clouds of stardust drift through this deep skyscape, across the Perseus molecular cloud some 850 light-years away. Dusty nebulae reflecting light from embedded young stars stand out in the nearly 2 degree wide telescopic field of view.

The Surface of Venus from Venera 13

Ср, Март 17, 2021 - 7:30

If you could stand on Venus -- what would you see? Pictured is the view from Venera 13, a robotic Soviet lander which parachuted and air-braked down through the thick Venusian atmosphere in March of 1982.

IC 1318: The Butterfly Nebula in Gas and Dust

Вт, Март 16, 2021 - 7:30

In the constellation of the swan near the nebula of the pelican lies the gas cloud of the butterfly next to a star known as the hen. That star, given the proper name Sadr...

Meteor Fireballs in Light and Sound

Пн, Март 15, 2021 - 7:30

Yes, but have you ever heard a meteor? Usually, meteors are too far away to make any audible sound. However, a meteor will briefly create an ionization trail that can reflect a distant radio signal. If the geometry is right, you..

A Flag Shaped Aurora over Sweden

Вс, Март 14, 2021 - 8:30

It appeared, momentarily, like a 50-km tall banded flag. In mid-March of 2015, an energetic Coronal Mass Ejection directed toward a clear magnetic channel to Earth led to one of the more intense geomagnetic storms of recent years. A..