Elusive temporary star described in historical documents recreated using new computer model

These images show the two shock regions of the remnant SNR 1181. The bright white in the center is the white dwarf. Credit: 2024 T. Ko, H. Suzuki, K. Kashiyama et al./ The Astrophysical Journal A mysterious remnant of a rare type of supernova recorded in 1181 has been explained for the first time. Two … Read more

NASA is exploring a bizarre scenario in which an elusive asteroid heads towards Earth

What if it is likely that a newly discovered asteroid will hit Earth in fourteen years? But that is not everything. This menacing space rock, with a diameter of about 330 to 1,050 feet (or 100 to 320 meters), has just disappeared behind the sun, making crucial observations impossible for the next seven months. In … Read more

Elusive medium-sized black holes can form in dense ‘birth nests’

A blue scene with hazy bits of gas. In the middle-left of the image, there

Researchers have discovered that elusive intermediate-mass black holes can form in dense star clusters containing anywhere from tens of thousands to millions of tightly packed stars called “globular clusters.” An intermediate-mass black hole has a mass between 100 and 10,000 suns. They are heavier than black holes with masses of about 10 to 100 solar … Read more