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🌼lily
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astronomers.bsky.social
Lagoon Nebula (Visible-light View)
This colorful image, taken by NASA’s Hubble Space Telescope, celebrates the Earth-orbiting observatory’s 28th anniversary of viewing the heavens, giving us a window seat to the universe’s extraordinary tapestry of stellar birth and destruction. At the center of the photo, a monster young star 200,000 times brighter than our Sun is blasting powerful ultraviolet radiation and hurricane-like stellar winds, carving out a fantasy landscape of ridges, cavities, and mountains of gas and dust. This mayhem is all happening at the heart of the Lagoon Nebula, a vast stellar nursery located 4,000 light-years away and visible in binoculars simply as a smudge of light with a bright core. The giant star, called Herschel 36, is bursting out of its natal cocoon of material, unleashing blistering radiation and torrential stellar winds (streams of subatomic particles) that push dust away in curtain-like sheets. This action resembles the Sun bursting through the clouds at the end of an afternoon thunderstorm that showers sheets of rainfall. Herschel 36’s violent activity has blasted holes in the bubble-shaped cloud, allowing astronomers to study this action-packed stellar breeding ground. The hefty star is 32 times more massive and eight times hotter than our Sun. It is nearly nine times our Sun’s diameter. Herschel 36 is still very active because it is young by a star’s standards, only 1 million years old. Based on its mass, it will live for another 5 million years. In comparison, our smaller Sun is 5 billion years old and will live another 5 billion years. This region epitomizes a typical, raucous stellar nursery full of birth and destruction. The clouds may look majestic and peaceful, but they are in a constant state of flux from the star’s torrent of searing radiation and high-speed particles from stellar winds. As the monster star throws off its natal cocoon of material with its powerful energy, it is suppressing star formation around it. However, at the dark edges of this …
January 21, 2025 at 2:53 AM
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mcuban.bsky.social
This is a great explainer of how Medicare and Medicare Advantage works.
www.linkedin.com/posts/ericbr...
Eric Bricker, MD on LinkedIn: #medicare #traditional #advantage #partd #supplement #traditionalmedicare… | 53 comments
All of #Medicare Explained in 12-Min: #Traditional Medicare vs. Medicare #Advantage vs. #PartD vs. Medicare #Supplement. #TraditionalMedicare Consists of Part… | 53 comments on LinkedIn
www.linkedin.com
January 11, 2025 at 4:24 PM
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nbpt-john.bsky.social
The US can’t make it work due to no congressional appetite. High health insurance and pharmaceutical profits; bribes, err, donations to congressional candidates will forever doom Americans to the highest health care and drug costs on the planet #USDemocracy
January 3, 2025 at 3:33 AM
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georgetakei.bsky.social
Sounds fair to me!
January 1, 2025 at 4:56 PM