Scientists Think They've Uncovered Mysterious Arms Near the Boundary of the Solar System
The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...
How astronomers make deep maps of the Milky Way
Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...
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Scientists Spot Spiral Structure at Edge of Solar System
Astronomers believe they've discovered a spiral structure inside the Oort cloud that surrounds our solar system.
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A Hidden Spiral? Scientists Suggest the Oort Cloud May Mimic a Mini Galaxy at the Solar System’s Edge
New research suggests the Oort Cloud may have a spiral structure like a mini galaxy. Supercomputer models reveal its ...
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The Mysterious Oort Cloud at the Edge of the Solar System Might Have Spiral Arms Like a Tiny Galaxy
The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.
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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
It seemed that these redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got ...
A twinkling group of stars dominates the center of this Hubble Space Telescope image. NGC 2002 is an open star cluster that resides roughly 160,000 light-years aw…
Star clusters are formed when gravity pulls young stars together, forcing them to orbit each other. A star cluster can ...
Mysterious cloud at solar system’s edge found to host strange ‘mini galaxy’
They particularly tried to model the pull on objects at the edge of the solar system by the "galactic tide". This is the ...