Astronomy Picture of the Day

Astronomy Picture Of the Day (APOD)

M3: изменчивое шаровое скопление M3: Inconstant Star Cluster

Star clusters appear constant because photographs of them are frozen in time. In reality, though, cluster stars swarm the center and frequently fluctuate in brightness. Although the time it takes for stars to cross...

Мозаичная структура кратера Выносливости на Марсе Mosaic of Endurance Crater on Mars

Where should this Martian rover explore next? Possible choices for the Opportunity rover team on Earth in early August were to send the Martian robot inside Endurance crater toward the arc-shaped sand dunes...

Петли солнечных пятен в ультрафиолете Sunspot Loops in Ultraviolet

It was a quiet day on the Sun. The above image shows, however, that even during off days the Sun's surface is a busy place. Shown in ultraviolet light, the relatively cool dark regions have temperatures of thousands of degrees Celsius.

Обратная сторона Луны The Averted Side Of The Moon

This vintage 60-kopek stamp celebrates a dramatic achievement. On the 7th of October, 1959 (7/X/1959), the Soviet interplanetary station which has come to be called "Luna 3" successfully photographed the far side of the moon giving denizens of planet Earth their first ever view of this hidden hemisphere.

Остаток сверхновой Кеплера Kepler s SNR from Chandra, Hubble, Spitzer

Light from the stellar explosion that created this energized cosmic cloud was first seen on planet Earth in October 1604, a mere four hundred years ago. The supernova produced a bright new star in early 17th century skies within the constellation Ophiucus.

Молния при Луне Moon Lightning

Moonsets are not often quite as exciting as this one. But amateur astronomer Marc-Andre Besel was impressed by the brilliant lighting displays that joined the first quarter Moon and stars of the constellation Scorpius in western skies.

N11:  гигантское кольцо из эмиссионных туманностей N11: A Giant Ring of Emission Nebulas

How did this unusually large nebula form? One of the largest nebulas yet detected is actually a complex ring of emission nebulas connected by glowing filaments. The unusual network, known as N11, spans over...

Космический корабль номер один получает премию X SpaceShipOne Wins the X Prize

Human space flight has entered the domain of private companies. Previously, large countries like the US and Russia have hired privately owned civilian companies to do specific tasks in support of their public human space flight programs.

NGC 6823: облака и звездное скопление NGC 6823: Cloud Sculpting Star Cluster

Star cluster NGC 6823 is ready for its close-up. The center of the open cluster, visible on the upper right, formed only about two million years ago and is dominated in brightness by a host of bright young blue stars.

Комета Хейла-Боппа и туманность Северная Америка Comet Hale Bopp and the North America Nebula

Comet Hale-Bopp's 1997 encounter with the inner Solar System allowed many breath-taking pictures. Above, Comet Hale-Bopp was photographed crossing the constellation of Cygnus, sporting spectacular yellow dust and blue ion tails. Visible on the right in red is the North America Nebula, a bright emission nebula observable from a dark location with binoculars.

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