While most galaxies have only one or two bright X-ray sources, the Cartwheel contains an exceptionally large number of them. CARTWHEEL GALAXY (Murphy, 2015) 50" La 9" dormant diploid. The most striking daylily in our late section of the display garden.

Unusual form cascade. It is about 150,000 light years across in size, which makes it slightly larger than the Milky Way. Credit:

This image is 15′ x 15′ (arcminutes) and the galaxy is about 1.4′ x 1.0′. 1 The Sombrero Galaxy. The Sombrero Galaxy (also known as M104 or NGC 4594) is an unbarred spiral galaxy in the constellation Virgo. This image was taken with the NASA/ESA Hubble Space Telescope. The galaxy's unusual configuration was created by a nearly head-on collision with a smaller galaxy about 200 million years ago.

... the spokes are wisps of material connecting the nucleus to the outer ring of young stars. The galaxy lies at an approximate distance of 496 million light years from Earth. Moving at the high speed of more than 300,000 km per hour, the shock wave swept up gas and dust, producing the expanding starburst ring around the galaxy’s center. It is sunfast to 98 degrees F. 4 branches, 30 buds. This means the Cartwheel is a monstrous 2.5 times the size of the Milky Way.The blue ring of starburst reveals billions of newly born stars, caused by a rare and spectacular head-on collision with a smaller companion approximately 200 million years ago (i.e., 200 million years prior to the image).When the nearby intruder galaxy — possibly one of the two galaxies on the left side of the image — passed through the Cartwheel Galaxy, the force of the collision caused a powerful shock wave through the galaxy, much like the ripples produced when a stone is dropped into a lake. The Cartwheel A smaller galaxy (not visible here) has passed through the Cartwheel.

Comet Galaxy: Sculptor: This galaxy is named after its unusual appearance, looking like a comet. The Cartwheel Galaxy is one of the most dramatic examples of the small class of ring galaxies, and it is an unusual opportunity to study new stars, because many stars would ordinarily take much longer to form.This image was taken with the NASA/ESA Hubble Space Telescope. Cigar Galaxy: Ursa Major: Appears similar in shape to a cigar. Explanation: The Cartwheel Galaxy shows a ring that is the result of a collision between a small and a large galaxy.

The dark dust lane and the bulge give this galaxy the appearance of a sombrero.

The galaxy is beginning to take the form of a normal spiral galaxy again, as seen in the faint arms or spokes between the outer ring and the bulls-eye shaped nucleus.Usually a galaxy is brighter toward the center, but the collision actually smoothed out the interior of the galaxy, concentrating older stars and dust into the inner regions, like the calm after the storm of star formation. The smaller galaxy produced compression waves in the gas of the Cartwheel as it plunged through it. When these stars explode as supernovae, they leave behind neutron stars and black holes. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its inclined disk. In our own galaxy, the Milky Way, the sun is just one of about 100 to 400 billion stars that spin around Sagittarius A*, a supermassive black hole that contains as much mass as four million suns. The most recent star burst (star formation due to compression waves) has lit up the outermost ring of the Cartwheel.

The Cartwheel Galaxy (ESO 350-40) is a ring galaxy of some 150,000 light-years across (which is slightly larger than our Milky Way galaxy), located 496 million light-years away in the southern constellation Sculptor. The comet effect is caused by tidal stripping by its galaxy cluster, Abell 2667. The Polar Ring Galaxy This unusual structure may be the result of a collision between a large and a small galaxy.

The Cartwheel Galaxy is an unusual galaxy that is both lenticular and ring-shaped. Cartwheel Galaxy: Sculptor: Its visual appearance is similar to that of a spoked cartwheel. Bright reddish lavender with purple band, huge lemon-cream throat, with a ruffled creamy edge, it can have six-way branching on strong scapes.

The Hubble Space Telescope’s image is shown below (The Cartwheel Galaxy (ESO 350-40) in the constellation of Sculptor is 500 million light years distant and 150,000 light years across, and thus is slightly larger than our Milky Way Galaxy.� This image is 15′ x 15′ (arcminutes) and the galaxy is about 1.4′ x 1.0′.� It has a central yellow core surrounded by a bluish ring with what appears to be curved “spokes” in between, like spiral arms.� The ring is knotted and contains may regions of new star formation.� There are two smaller galaxies adjacent to the Cartwheel galaxy toward the upper left (northeast).� It is thought that one of these two galaxies passed through the Cartwheel Galaxy when it had a more typical spiral shape.� The collision distorted the shape of the Cartwheel galaxy into the ring shape that we see today, and, in the process, caused the new star formation in the ring. It is speeding away from us at about 9050 kilometers per second and rotates at 217 kilometers per second. A "ripple" of star formation (the blue ring) resulted from the collision.
Star formation via starbursts result in the formation of massive and extremely luminous stars. The unusual shape of the Cartwheel Galaxy is likely due to a collision with one of the smaller galaxies on the lower left several hundred million years ago.

The galaxy’s unusual appearance resembles that of a … The Cartwheel Galaxy (ESO 350-40) in the constellation of Sculptor is 500 million light years distant and 150,000 light years across, and thus is slightly larger than our Milky Way Galaxy. The galaxy has a mass of about 3.85 billion solar masses.Previously, scientists believed the bright blue ring marked the outermost edge of the galaxy, but the latest observations detect a faint disk, not visible in this image, that extends to twice the diameter of the ring. The Cartwheel Galaxy is one of the most dramatic examples of the small class of ring galaxies, and it is an unusual opportunity to study new stars, because many stars would ordinarily take much longer to form.
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