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Black Hole

Black Hole

Death by Primordial Black Hole

If such an object a mere 1,000 times bigger than an atom passed through your body, the result would not be pretty Credit: George Peters Getty Images In the infant universe, a substantial enhancement in the radiation density on the scale of the cosmic horizon could have made some small…
bubmag
June 6, 2021
Black Hole

The first 5 years of gravitational-wave astrophysics

Doing astronomy with ripples in spacetimeGeneral relativity predicts that moving massive objects generate gravitational waves, ripples in spacetime that propagate at the speed of light. Direct detection of gravitational waves was first announced in February of 2016. Vitale reviews the scientific results of gravitational wave astronomy over the subsequent 5…
bubmag
June 3, 2021
Black Hole

ACT government fails community legal centres: opposition

The ACT government has failed community legal centres by refusing to support a motion in the territory's parliament calling for an ongoing funding commitment, the opposition says. But Attorney-General Shane Rattenbury told the Legislative Assembly on Wednesday afternoon the ACT government could not support the motion before funding was considered…
bubmag
June 2, 2021
Black Hole

NASA releases stunning new pic of Milky Way’s ‘downtown’

MARCIA DUNN, AP Aerospace Writer May 28, 2021Updated: June 1, 2021 9:55 p.m. This false-color X-ray and radio frequency image made available by NASA on Friday, May 28, 2021 shows threads of superheated gas and magnetic fields at the center of the Milky Way galaxy. X-rays detected by the NASA's Chandra X-ray…
bubmag
May 28, 2021