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What is a Star?:
...creating a planetary nebula with a white dwarf in the middle. ... The inward gravitational pressure created by the star's mass is balanced by the outward radiation pressure..Mar 8 Read more
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Finding Bubbles in the Milky Way
...highlighting areas of brand new star formation. ... A team of volunteers from the general public has pored over observations from NASA's Spitzer Space Telescope..Mar 8
3 articles
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Looking at the Man in the Moon
...the result of a coincidence, a sort of lunar coin toss, says Oded Aharonson, professor of planetary science at the California Institute of Technology (Caltech).Mar 8 Read more
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Newly Seen Galactic Structures
They suspect they may be “the remnants from a burst of star formation or leftovers from an eruption by the supermassive black hole at our galaxy’s center,” but..Mar 8
2 articles
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