Nebulas in 4k5/15/2023 The glowing region on the right reveals arcs and bubbles formed when stellar winds - streams of charged particles ejected from the Trapezium stars - collide with material. These pillars are resisting erosion from the Trapezium's intense ultraviolet light. Next to M43 are dense, dark pillars of dust and gas that point toward the Trapezium. Astronomers call the region a miniature Orion Nebula because only one star is sculpting the landscape. The bright glow at upper left is from M43, a small region being shaped by a massive, young star's ultraviolet light. The disks are the building blocks of solar systems. ![]() These disks are called protoplanetary disks or "proplyds" and are too small to see clearly in this image. Located near the Trapezium stars are stars still young enough to have disks of material encircling them. Ultraviolet light unleashed by these stars is carving a cavity in the nebula and disrupting the growth of hundreds of smaller stars. The stars are called the Trapezium because they are arranged in a trapezoid pattern. The bright central region is the home of the four heftiest stars in the nebula. The Orion Nebula is a picture book of star formation, from the massive, young stars that are shaping the nebula to the pillars of dense gas that may be the homes of budding stars. These stars reside in a dramatic dust-and-gas landscape of plateaus, mountains, and valleys that are reminiscent of the Grand Canyon. Some of them have never been seen in visible light. More than 3,000 stars of various sizes appear in this image. ![]() The image, taken by the Advanced Camera for Surveys (ACS) aboard NASA's Hubble Space Telescope, represents the sharpest view ever taken of this region, called the Orion Nebula. This dramatic image offers a peek inside a cavern of roiling dust and gas where thousands of stars are forming. Four Successful Women Behind the Hubble Space Telescope's Achievements.Characterizing Planets Around Other Stars.Measuring the Universe's Expansion Rate.
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