One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Intelligent Aliens May Be Common On Earth-Like Planets, Scientists Say
A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...
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Runaway planet found orbiting ultra-fast star for first time – it’s flying through Milky Way 4X faster than lightning
To pierce through the Milky Way, celestial objects must reach a ... our solar system Our solar system is made up of nine planets with Earth the third closest to the Sun. But each planet has ...
Astronomers Track a Runaway Star and Its Planet Traveling at Hyperspeed
The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...
Astronomers Spot a High-Speed Star That May Carry a Planet With It
A fast-moving star, possibly with an exoplanet, has been detected in the Milky Way, challenging current astrophysical models.
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Runaway star may be dragging a planet along with it
Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...
101 Galaxies Later: Why the Milky Way Stands Out in the Universe
New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...
Astronomy: Star with exoplanet may be hurtling out of the Milky Way
A research team may have discovered a star with an exoplanet that is so fast that both will leave the Milky Way.