Does our Oort Cloud overlap with Alpha Centauri’s?

Does our Oort Cloud overlap with Alpha Centauri’s?

About 2,000 to 5,000 astronomical units (AU; where 1 AU is the average distance between Earth and the Sun) from the Sun lies the beginning of the Oort Cloud. For context, the Voyager spacecrafts —...
Astronomers in India discover a new ghost galaxy

Astronomers in India discover a new ghost galaxy

India’s astronomers have discovered a galaxy that lies in front of a larger, brighter galaxy that had previously been undiscovered. 136 million light-years from us, the galaxy has a ghostly...
Hubble spots the farthest star ever seen

Hubble spots the farthest star ever seen

At the risk of sounding like a broken record, NASA’s Hubble Space Telescope has broken another record. The Hubble Space Telescope has imaged the most distant star ever seen, according to a study...
Astronomy & Astrophysics 101: Gravitational Waves

Astronomy & Astrophysics 101: Gravitational Waves

Gravitational waves are not simple conceptually, as they require one to think of the fabric of the Universe in terms of spacetime. Spacetime is a four-dimensional quantity, described by Einstein’s...
Astronomers spot a vast, mysterious circle in space

Astronomers spot a vast, mysterious circle in space

Astronomers have spotted an enormous and mysterious object more than a million light-years across, called an odd radio circle (ORC). ORCs were first identified in 2019, and now researchers have...

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