Hypervelocity Stars: Some stars can travel at incredibly high speeds, reaching hundreds of kilometers per second. These hypervelocity stars are thought to be the result of close encounters with a black hole.
Magnetars: These are a type of neutron star with an extremely strong magnetic field. The magnetic fields of magnetars are so intense that they can affect the properties of the vacuum around them.
Galactic Cannibalism: Larger galaxies can "eat" smaller ones through a process called galactic cannibalism. Our Milky Way has cannibalized several smaller galaxies over its lifetime.
Diamond Rain: Some planets outside our solar system may experience "diamond rain" – precipitation made of diamonds. The high pressure and temperature inside these gas giants can cause carbon to crystallize into diamond.
Rogue Planets: Some planets may not be orbiting any star and instead drift through space. These "rogue planets" may outnumber the stars in our Milky Way.
White Holes (Hypothetical): While black holes are well-known, the existence of white holes is only theoretical. They are imagined as the "reverse" of black holes, expelling matter instead of pulling it in.
Fast Radio Bursts (FRBs): Mysterious cosmic signals called Fast Radio Bursts have been detected, and their origin is still not entirely understood. They release as much energy in a few milliseconds as our sun does in a century.
Dark Flow: Some galaxy clusters seem to be moving in a particular direction with an inexplicable velocity. This phenomenon, known as dark flow, suggests the presence of matter beyond our observable universe.
Exoplanet Auroras: Just like Earth, some exoplanets may have auroras. These light shows are created by charged particles interacting with the planet's magnetic field.
Interstellar Bubbles: Massive bubbles, called Fermi Bubbles, emanate from the center of our Milky Way. The cause of these bubbles, stretching thousands of light-years, is still not fully understood.
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