Алексей Ражев - фото
Leo IV is one of more than a dozen ultra-faint dwarf galaxies near the Milky Way. These galaxies are dominated by dark matter, an invisible substance that makes up most of the universe's mass.
This picture captures a galaxy cluster called SDSS J1004+4112 that's so massive that its gravity bends light from galaxies behind it. The light of a distant quasar (the brilliant core of an active galaxy) has been bent around the cluster, appearing in five places in this image.
This image captures two spiral galaxies. They look quite different because we see them from different angles. The edge-on galaxy (on the left) is called NGC 4302, and the other is NGC 4298.
This false-color image of Saturn captures infrared light reflecting off the planet. The image also captures two of Saturn's moons, Dione in the lower left and Tethys in the upper right.
Young, blue stars and dark lanes of dust trace the winding arms of NGC 2841. Winds from the young stars may have cleared out the gas needed for additional star birth and halted star formation in the spiral galaxy.
Arp 220 is the result of a collision between two spiral galaxies that began 700 millions years ago. Located about 250 million light-years from Earth, it is one of the nearest galaxy mergers to our planet.
This mosaic captures the nearby Triangulum galaxy. Striking areas of star birth glow bright blue throughout the galaxy, particularly in beautiful nebulas of hot gas like star-forming region NGC 604 in the upper left.
This image reveals a dark storm on Neptune, seen at top center. The storm is roughly 6,800 miles across. To the right of the dark feature are bright white "companion clouds," which have also been seen alongside previous storms on Neptune.
This image shows stars in a small part of the globular cluster NGC 6752. Near the bottom appears a background galaxy, much farther away, that astronomers found while studying this image. It's a dwarf galaxy that is nearly as old as the universe.
An aging red giant star is shedding its outer layers to produce the Southern Crab Nebula. The "legs" are likely to be the places where the outflowing material slams into surrounding gas and dust.
Hubble viewed the gradual self-destruction of the asteroid (6478) Gault caused by the long-term effects of sunlight. Dusty material ejected from the asteroid formed two comet-like tails 500,000 and 3,000 miles long.
The colliding galaxies AM 2026-424 resemble a face. Each "eye" is the bright core of a galaxy, one of which slammed into another. The outline of the face is a ring of young blue stars. Other clumps of new stars form a nose and mouth.
This image captures a small portion of the Cygnus Loop supernova remnant. The Cygnus Loop marks the edge of a bubble-like, expanding blast wave from a colossal stellar explosion that occurred about 15,000 years ago.
This image captures the brightest "nucleus" in a string of approximately 20 that comprised the broken-up comet Shoemaker-Levy 9. The image reveals that the bright segment is actually a group of at least four separate pieces.
Hubble took this image of Jupiter when the giant planet was 420 million miles from Earth. The dark spot that appears on Jupiter is the shadow of the moon Io, which appears to the upper right of the shadow.
This image captures about 200 stars in the globular cluster NGC 6397. The density of this star cluster is so low that Hubble can see right through the cluster and resolve far more-distant background galaxies behind it.
This image captures springtime in the northern hemisphere of Mars. The northern polar ice cap has receded to its core of solid water-ice several hundred miles across. Morning clouds appear along the planet's western (left) limb.
Hubble's view of the "Pillars of Creation" in the Eagle Nebula displays three giant columns of cold gas giving birth to new stars. The pillars are bathed in the scorching ultraviolet light from a cluster of young, massive stars beyond the top of the image.
Called the Hubble Deep Field, this image captures several hundred galaxies that had never been seen before. Some galaxies are near and some are very far. Their various shapes and colors provide clues about the evolution of the universe.
The Hourglass Nebula has been formed by a dying Sun-like star shedding its outer layers of gas. One theory suggests that the hourglass shape is produced as a fast stellar wind encounters a slowly expanding cloud that is more dense near the star’s equator than near its poles.
The light from a distant galaxy, nearly 10 billion light-years away, has been warped into blue arcs and streaks by the gravity of galaxy cluster 0024+1654. The cluster's gravity acts as a lens, bending and amplifying light from the background galaxy.
This image shows Jupiter's volcanic moon Io passing above the turbulent clouds of the giant planet. The conspicuous black spot on Jupiter is Io's shadow. The shadow sweeps across the face of Jupiter at 17 kilometers per second.
This stunning portrait of Mars was taken just before the planet made one of its closest approaches to Earth (passing about 60 million miles from us). This view was taken on the last day of spring in the planet's northern hemisphere.
Four sides of Mars are captured in these Hubble images taken over the course of a day. Mars has rotated about ninety degrees between each view.
This close-up view shows a hotbed of star formation at the center of spiral galaxy NGC 1808. In the image, older stars appear yellow and young stars are blue.
This image captures a turbulent firestorm of star birth along a nearly edge-on dust disk girdling nearby galaxy Centaurus A. Brilliant clusters of young, blue stars lie along the edge of the dark dust lane.
This image of the Southern Ring Nebula clearly shows two stars near the center of the nebula: a bright, white one, and a fainter companion to its upper right. The faint star is actually the star that has ejected the material that forms the nebula.
About a light-year across, the Ring Nebula is formed by a dying star floating in a blue haze of hot gas at its center. This image reveals elongated, dark clumps of material embedded in the gas at the edge of the nebula.
About 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies, which feature a ring of stars encircling a disk. Polar rings might form when two galaxies collide, with one galaxy becoming the inner disk and the other forming the ring.
This troupe of galaxies, known as Hickson Compact Group 87, is performing an intricate dance orchestrated by the mutual gravitational forces acting between them. The small spiral near the center could either be a member or an unrelated background object.
HH 32 is an example of a "Herbig-Haro object," which is formed when young stars eject jets of material back into interstellar space. These jets plow into the surrounding nebula, producing strong shock waves that heat the gas and cause it to glow.
This image shows two interacting galaxies. The larger and more massive galaxy on the left is NGC 2207, and the smaller one on the right is IC 2163. Strong tidal forces from NGC 2207 have distorted the shape of IC 2163.
Over 10,000 stars appear in this image, which covers a region about 130 light-years wide in a nearby galaxy called the Large Magellanic Cloud. The faintest stars in the picture are some 100 million times dimmer than the human eye can see.
The Eskimo Nebula contains the glowing remains of a dying Sun-like star. The bright, central region of the Eskimo's "face" is material being blown away by the nebula's central star.
NGC 1999 is a reflection nebula. It does not emit any visible light of its own but shines only because the light from the star just to the left of the center illuminates the nebula's dust.
This image shows a pair of galaxies called NGC 3314. Through a chance alignment, a face-on spiral galaxy lies precisely in front of another, larger spiral. This provides a view of dark material within the front galaxy, seen because it is silhouetted against the galaxy behind it.
These stars belong to the globular cluster M15. Nestled among them is an astronomical oddity. The pinkish object to the upper left of the cluster's core is a gas cloud surrounding a dying star. Known as Kuestner 648, this was the first planetary nebula found in a globular cluster.
This image shows a newborn star cluster cradled within a nebula, or glowing cloud of gas, called N 81. This stellar nursery lies about 200,000 light-years away within the Small Magellanic Cloud, a small galaxy orbiting our own Milky Way.
This image captures the collision of two galaxies. The larger spiral galaxy, NGC 6745, boasts an intact nucleus as it interacts with the smaller, passing galaxy that is nearly out of the frame to the lower right.
IC 349 is a reflection nebula in the Pleiades star cluster (often called the "Seven Sisters"). The eerie, wispy tendrils of an interstellar cloud are being destroyed by one of the brightest stars in the star cluster.
Resembling a swirling witch's cauldron of glowing vapors, the black-hole-powered core of the Circinus galaxy appears in this image. Much of the gas in the spiral galaxy's disk is concentrated in two rings.
Hubble-X is a glowing gas cloud, one of the most active star-forming regions within galaxy NGC 6822. The cloud is about 110 light-years across and contains many thousands of newly formed stars in a central cluster.
This image shows a cosmic collision between two galaxies, UGC 06471 and UGC 06472. The colliding galaxies are 145 million light-years from Earth. Such collisions distort the shapes of the galaxies as they merge and eventually form a larger galaxy.
The Ant Nebula displays intriguing symmetrical patterns in the lobes of gas being ejected from a dying Sun-like star at its center.
A dark band of dust bisects the spiral galaxy NGC 4013. This edge-on galaxy is located 55 million light-years away in the constellation Ursa Major.
Extremely intense radiation from newly born, ultra-bright stars has blown a glowing, spherical bubble in the nebula NGC 1748. The average-looking star at the very center of the bubble is about 30 times more massive and almost 200,000 times brighter than our Sun.
The core of the barred spiral galaxy NGC 1512 is unique for its stunning 2,400-light-year-wide circle of infant star clusters, called a "circumnuclear" starburst ring. Starbursts are episodes of vigorous star formation.
M22 is one of about 150 globular star clusters in the Milky Way. Located just 10,000 light-years away in the constellation Sagettarius, it is one of the closest globular clusters to Earth.
This is the inner part of the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud, a satellite galaxy of our Milky Way. The bright cluster of stars at left is known as R136.
This close-up shows four of the five galaxies that make up Stephan’s Quintet. The image reveals bright, blue clusters of stars, born from the violent interactions between some of the member galaxies.
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