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Hubble has discovered a dwarf star that devours its own solar system. It's like a cosmic cannibal

Astronomers used archival data from the Hubble Space Telescope and other observatories to analyze the spectral properties of the white dwarf star G238-44.

Detected elements show that the dead star swallows debris from both the inside and the outside of its system. It's a case of "cosmic cannibalism," say the study's authors, published on the Hubble Telescope website.

G238-44 was a Sun-like star that lost its outer layers and no longer burned fuel through nuclear fusion. The discovery that stellar debris simultaneously captures matter from its asteroid belt and Kuiper belt-like regions at the edge of the solar system, including ice bodies, is significant because it suggests that a "water tank" may be a common feature in outer areas. of planetary systems.

‼️When a star like the Sun expands and becomes a red giant, at the end of its life, it loses mass by releasing its outer layers.

➡️A consequence of this may be the gravitational scattering of small objects, such as asteroids, comets and satellites, to the large planets in the system. Hit in this way, surviving objects can be thrown into very eccentric orbits.‼️

☑️ "After the phase of the red giant, the remaining white dwarf star is compact - no bigger than Earth. The planets get very close to the star and experience strong forces of attraction that break them to pieces, creating a disk of gas and dust that eventually falls on the surface of the white dwarf star, "said Johnson.

[10pm-studying]

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Hello, long time no see! In chemistry today we did a virtual lab using molecular model kits, and I can't help but to share some of the molecules. Can you tell what each molecule's formula is?

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Since you all liked my last OneNote post so much, here's another! This was my last page of notes for my Chemistry Lab I class. Expect many more from Chemistry Lab II next starting in January, as well as various other science, mathematics, and the occasional humanities class in the future.

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I've begun taking my notes digitally using OneNote, and it is so much easier and less time-consuming than paper notes. Also looks way nicer.

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Studying for a chemistry exam on gases and kinetic-molecular theory tomorrow morning

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Precipitation Reactions - Week 6 of Advanced Topics in Chemistry I.

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These annotations turned out so pretty, I couldn't not share them.

(tap for better quality)

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All assignments and readings logged for my first week of college. The planner I'm using came with some little floral horse stickers and I could not be happier!