This is gas thrown off by a dying star at the centre of the nebula. The observations have allowed astronomers to construct the most precise three-dimensional model of the glowing gas shroud, called a planetary nebula. The distinctive shape of the Ring Nebula, the glowing shroud around a dying Sun-like star, makes it a popular celestial object that appears in many astronomy books. The sun is less massive than the Ring Nebula's progenitor star, so it will not have an opulent ending. The Hubble images offer the best view yet of the nebula, revealing a complex structure. The Hubble images have allowed the team to match up the knots with the spikes of light around the bright, main ring, which are a shadow effect. Based on the new observations, the Hubble research team suggests that the ring wraps around a blue football-shaped structure that protrudes out of opposite sides of the ring. "With Hubble's detail, we see a completely different shape than what's been thought about historically for this classic nebula," O'Dell said. The Hubble Space Telescope has produced the most detailed observations ever of the Ring Nebula.This image reveals intricate structure only hinted at in previous observations and has allowed scientists to construct a model of the nebula in 3D showing the true shape of this striking object.Formed by a star throwing off its outer layers as it runs out of fuel, the Ring Nebula is an archetypal planetary nebula. The Hubble Space Telescope has captured the sharpest view yet of M57, the Ring Nebula in Lyra, which is the most famous of all planetary nebulas. This star is on its way to becoming a white dwarf — a very small, dense and hot body that is the final evolutionary stage for a star like the Sun.The new research on Messier 57 is described in a set of three papers by C. R. O’Dell et al.“Studies of NGC 6720 with Calibrated HST WFC3 Emission Line Filter Images – I: Structure and Evolution,” published in “Studies of NGC 6720 with Calibrated HST WFC3 Emission Line Filter Images – II: Physical Conditions,” published in “Studies of NGC 6720 with Calibrated HST WFC3 Emission Line Filter Images – III: Tangential Motions using AstroDrizzle Images,” accepted for publication in The NASA/ESA Hubble Space Telescope observations used in this image were led by C.R.
"The material will be farther away once it becomes hot enough to illuminate the gas. Located in the constellation Lyra, the nebula is a popular target for amateur astronomers.Previous observations by several telescopes had detected the gaseous material in the ring's central region. "The Ring Nebula is about 2,000 light-years from Earth and measures roughly 1 light-year across. Observations of the Ring Nebula continue to reveal secrets of these fascinating objects. The Hubble Space Telescope has produced the most detailed observations ever of the Ring Nebula.

Ring Nebula Location and Statistics. Henney (Universidad Nacional Autónoma de México, Mexico) and M. Peimbert (Universidad Nacional Autónoma de México, Mexico).You have already liked this page, you can only like it once! In the Hubble image, the blue structure is the glow of helium. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. We are gazing almost directly down one of the poles of this structure, with a brightly coloured barrel of material stretching away from us.Although the centre of this doughnut may look empty, it is actually full of lower-density material that stretches both towards and away from us, creating a shape similar to a rugby ball slotted into the doughnut’s central gap.The brightest part of this nebula is what we see as the colourful main ring. The nebula will become fainter and fainter until it merges with the interstellar medium.Studying the Ring Nebula's fate will provide insight into the sun's demise in another 6 billion years. The nebula is tilted toward Earth so that astronomers see the ring face-on.WASHINGTON – The Ring Nebula's distinctive shape makes it a popular illustration for astronomy books.

Based on the new …


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