2014年9月7日 · Three mechanisms have been proposed as possible causes of planetary explosions – phase changes, natural fission reactors, and gravitational heat energy. We …

8 小时之前 · Experts weigh in about the recently discovered near-Earth asteroid 2024 YR4 that has about a 1% chance of impacting Earth on Dec. 22, 2032.

2007年6月20日 · The hypothesis of the explosion of a number of planets and moons of our Solar System during its 4.6-billion-year history is in excellent accord with all known observational …

2014年9月7日 · Many lines of evidence suggest more than one planetary explosion in the solar system’s history. The discovery of one, and probably two, new asteroid belts orbiting the Sun …

2014年9月19日 · The mean orbital period of new comets tells us that the most recent "planetary" explosion event happened 3.2 million years ago, and the angular momenta of new comets …

5 天之前 · Einstein Probe’s Wide-field X-ray Telescope detected the weak X-ray signal of the transient EP240315a much earlier than its gamma-ray counterpart. This demonstrates the …

2024年12月27日 · Twenty years ago today a tiny neutron star reached across the Milky Way to land a blow on Earth, ringing our planet like a bell. Despite being half the galaxy away, an …

On Feb. 15, 2013, one such bolide event garnered international attention when a house-sized asteroid impacted Earth’s atmosphere over Chelyabinsk, Russia, at a speed of eleven miles …

2023年10月11日 · The study, published today in Nature, reports the sighting of two ice giant exoplanets colliding around a sun-like star, creating a blaze of light and plumes of dust. Its …

2025年1月23日 · On 15 March 2024, Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," even though they are still far …