Topic
Gravitational Lensing
HKU Astronomer Joins Study Weighing Ancient Black Hole
Astronomers have successfully measured the mass of a dormant supermassive black hole in the early universe by leveraging gravitational lensing.
Hubble telescope captures images of two merging galaxy clusters
New Hubble imagery confirms that the galaxy cluster CL0016+1609 is a site of active cosmic interaction, allowing researchers to map dark matter distribution.