Astrophysics, Cosmology & Astronomy
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- Astrophysicists says universe could be giant 3D donut + Mountains on neutron stars (2 Replies)
- Exploding stars whacked ancient Earth + Mars' methane burps pinpointed + H-R diagram (0 Replies)
- Nova events can't alone explain lithium + New type stellar explosion = heavy elements (1 Reply)
- Methane in plumes of Enceladus: life? + Over 100 black holes in star cluster Palomar (0 Replies)
- Exoplanet "super-Earths" an unsupported idea + Hawking’s black hole theorem confirmed (1 Reply)
- Huge comet + ETs of the 1,700 could see us + Pluto's red patches a mystery + Cos dawn (0 Replies)
- A civilization could colonize entire galaxy + Betelgeuse’s dimming finally explained (0 Replies)
- Cousin of the mediocrity principle takes another cosmological hit (0 Replies)
- Exoplanet with atmosphere ripe for + Secret planet-making ingredient: magnetic fields (1 Reply)
- Oort Cloud's close stellar encounters + If black hole at MW's center is dark matter? (2 Replies)
- Seeing beyond limits of observational universe + "Alien UFO theories are stupid" (6 Replies)
- Spacetime crystals proposed by placing space and time on an equal footing (2 Replies)
- Clyde's Spot looking weird + How a weird theory of gravity could break cause-&-effect (0 Replies)
- How/when Milky Way came together + Alien radioactive element prompts creation rethink (0 Replies)
- Why isn’t anyone seriously challenging the Big Bang? (9 Replies)
- 60 million stars: Not one alien detected + Bad news for us if asteroid targets Earth (10 Replies)
- Universe is a system that keeps learning, cosmologists say + Eyes on Alpha Centauri (2 Replies)
- What is a supermoon? + If these magnetic fields exist, could settle universe's exp... (0 Replies)
- Astronomers trace wild 22-million-year journey of a meteorite that crashed to Earth (0 Replies)
- The Unicorn: a black hole is closest to Earth, among the smallest ever discovered (0 Replies)