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Sep 2, 2022 · Stars with companions lose mass about six to 10 times faster than those without, Decin estimates, because it's much more efficient for a companion star to pull off a red giant's shell than for the ...
Jun 20, 2022 · A new map of one of the most massive stars in our galaxy is shedding light on what happens in the final stages of a giant star's death. Astronomers created a detailed 3D map of VY Canis Majoris, a ...
Sep 16, 2020 · A visualization flying into the nebula Gum 29 and the star cluster Westerlund 2 at its core. All stars are born in clouds of dust and gas like the Pillars of Creation in the Eagle Nebula pictured below. In these stellar nurseries, clumps of gas form, pulling in more and more mass as time passes. As they grow, these clumps start to spin and heat up.
Apr 16, 2013 · In the second, a neutron star is engulfed by, spirals into and merges with an evolved giant star in a distant galaxy. Now, thanks to a measurement of the Christmas burst’s host galaxy, astronomers have determined that it represented the collapse and explosion of a supergiant star hundreds of times larger than the sun.
- Types of Stars
- Life and Death of Brown Dwarfs
- Life and Death of Dwarf Stars
- White Dwarf
- Death of Giant Stars
- Neutron Stars
- Black Holes
Different star types “live” and “die” in different ways based on how much matter they started with and if they were born with siblings nearby. The color of a star is an indicator of its temperature. The cooler stars are brown to dark red, barely warmed enough to glow, like the cooling embers in a fire. The hotter stars are blindingly blue-white, li...
Brown dwarfs are barely stars, as they only shine for about ten million years while their cores crush the rare element deuterium into helium. After their deuterium is gone, brown dwarfs glow in the invisible light of infrared waves for billions of years, their insides churned and warmed by the bubbling of escaping heat as they slowly collapse under...
Red, orange, and yellow dwarf stars can keep up the tug-of-war — gravity squeezing inward against a fusing core shining outward — for billions of years. Their insides tumble, creating powerful magnetic fields around them. Magnetic fields are wonderful radio broadcasters, because particles trapped in magnetic fields emit radio waves as spiral about....
A hot core of carbon atoms holds together, thanks to gravity, but resists crushing itself, thanks to the pressure of the spaces inside the atoms. If you’ve ever tried to squeeze a balloon, that’s a similar kind of pressure, but on a giant scale. We call this delicate balancing act a white dwarf. The expanding outer gases eventually fly away, leavin...
Giant stars range from about 3 times the mass of our Sun up to the hypergiants, which can be a 100 times the Sun’s mass. The core of a giant star is under extreme and constant pressure from the weight of itself. Its atoms fuse furiously to give off the huge amounts of energy needed to buoy its heavy burden of gas. As a result, giants shine fiercely...
The compressed sphere of neutrons left behind is known as a neutron star. Neutron stars are extremely dense – while they are only a couple of miles across, but they contain more mass than our entire Sun. Radio telescopes discover and monitor thousands of rapidly spinning neutron stars known as pulsars. Pulsars tell us as much about giant star death...
Particularly massive stars, over eight times the mass of our Sun, crush the atoms in their cores past neutron stars to a mind-boggling state of collapsed matter that is incredibly difficult to imagine or explain. The collapsing object is so dense that the pull of gravity near its surface is stronger than the speed of light. If light cannot shine of...
Aug 2, 2024 · There’s more than one way for a star to die. Some go with a whimper, and some go with a very, very big bang. By Phil Plait. An illustration of a stellar remnant called a white dwarf (left ...
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Mar 6, 2023 · Once gravity causes a star to collapse on itself, it will take another 100 million years for a star to deflate and form a persistent red cloud. Eventually, around 10 million years later, all that is left is a hot core of carbon and gasses that form a "planetary nebula." As the star further burns out, it will diminish into a white dwarf planet.
