The observed acceleration of the Hubble expansion rate has been attributed to a mysterious "dark energy" which supposedly makes up about 70% of the universe. Professor Subir Sarkar from the Rudolf Peierls Centre for Theoretical ...
Astronomy
Nov 27, 2019
17
2428
An international group of scientists led by the RIKEN Cluster for Pioneering Research has used observations from the Multi Unit Spectroscopic Explorer (MUSE) at the ESO Very Large Telescope (VLT) in Chile and the Suprime-Cam ...
Astronomy
Oct 3, 2019
46
649
Using the Subaru, Keck and Gemini Telescopes, an international team of astronomers has discovered a collection of 12 galaxies that existed about 13.0 billion years ago. This is the earliest protocluster ever found. One of ...
Astronomy
Sep 27, 2019
1
614
An international research team led by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute; AEI) in Hannover has discovered that the radio pulsar J0952-0607 also emits pulsed gamma radiation. J0952-0607 ...
Astronomy
Sep 19, 2019
17
2342
An extremely large cosmological simulation—among the five most extensive ever conducted—is set to run on Mira this fall and exemplifies the scope of problems addressed on the leadership-class supercomputer at the U.S. ...
Astronomy
Aug 21, 2019
0
35
A method of weighing the quantities of matter in galaxy clusters—the largest objects in our universe—has shown a balance between the amounts of hot gas, stars and other materials.
Astronomy
Jul 2, 2019
6
0
Breakthrough Listen—the astronomical program searching for signs of intelligent life in the Universe—has submitted two publications to leading astrophysics journals, describing the analysis of its first three years of ...
Astronomy
Jun 19, 2019
5
137
Using the Devasthal optical telescope in India, astronomers have conducted photometric observations of the globular cluster NGC 4147. The observational campaign yielded the discovery of 28 new variable stars in this cluster. ...
Analysis of the new data from X-ray observations using NASA's NuSTAR spacecraft and archival data from the agency's Chandra X-ray space observatory, has yielded more insights into the nature of a pulsar wind nebula (PWN) ...
Astronomers have employed the Microvariability and Oscillations of Stars (MOST) space telescope to conduct a new investigation of the enigmatic variable star 21 Comae whose nature is still widely debated. Results of the new ...
