Astronomy Picture of the Day

Astronomy Picture Of the Day (APOD)

Земля и Луна с борта "Мессенджера" Earth and Moon from MESSENGER

What does Earth look like from the planet Mercury? The robotic spacecraft MESSENGER found out as it looked toward the Earth during its closest approach to the Sun about three months ago. The Earth and Moon are visible as the double spot on the lower left of the above image.

Центр Галактики с аннотацией The Annotated Galactic Center

The sky toward the center of our Galaxy is filled with a wide variety of celestial wonders, many of which are visible from a dark location with common binoculars. Constellations near the Galactic Center include Sagittarius, Libra, Scorpius, Scutum, and Ophiuchus.

Появление Команчи на Марсе свидетельствуют об обитаемом прошлом Comanche Outcrop on Mars Indicates Hospitable Past

Could life once have survived on Mars? Today, neither animal nor plant life from Earth could survive for very long on Mars because at least one key ingredient -- liquid water -- is essentially absent on the red planet's rusty surface.

Местное межзвёздное облако The Local Fluff

The stars are not alone. In the disk of our Milky Way Galaxy about 10 percent of visible matter is in the form of gas, called the interstellar medium (ISM). The ISM is not uniform, and shows patchiness even near our Sun.

Дыра в Солнце Hole in the Sun

This ominous, dark shape sprawling across the face of the Sun is a coronal hole -- a low density region extending above the surface where the solar magnetic field opens freely into interplanetary space. Studied...

Ярче Марса Brighter Than Mars

Even though you may have just read an email claiming Mars will be incredibly bright tonight, the brightest star on the horizon is not Mars. From central Iran on August 24th, the brightest star in this twilight desert skyview is Venus, aka the Evening Star.

M27 — не комета M27: Not a Comet

While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that were definitely not comets. This is number 27 on his now famous not-a-comet list.

HD 10180: самая богатая экзопланетная система. HD 10180: Richest Yet Planetary System Discovered

Do other rich planetary systems exist? Our Solar System has the most planets of any known star, most probably because it is so hard to detect planets around other stars. Sensitive measurements, though, have...

Скопление галактик Абель 1689 проливает свет на тёмную Вселенную Galaxy Cluster Abell 1689 Magnifies the Dark Universe

What's the matter with this cluster of galaxies? To find out what forms matter takes in the Abell 1689 cluster requires not only deep images from telescopes like the Hubble Space Telescope, but detailed computer modeling as well. To start, almost every fuzzy yellow patch in the above image is an entire galaxy.

Тени от Млечного Пути в ущелье Лох Ард A Milky Way Shadow at Loch Ard Gorge

Have you ever seen the Milky Way's glow create shadows? To do so, conditions need to be just right. First and foremost, the sky must be relatively clear of clouds so that the long band of the Milky Way's central disk can be seen.

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