A team of astronomers including Carnegie's Ting Li and Alexander Ji discovered a stellar stream composed of the remnants of an ancient globular cluster that was torn apart by the Milky Way's gravity 2 billion years ago, when ...
Astronomy
Jul 29, 2020
3
727
An international team of astronomers has carried out spectroscopic observations of a distant star known as RAVE J183013.5−455510. Results of this observational campaign show that this object exhibits a peculiar chemical ...
Researchers and engineers at the Spallation Neutron Source (SNS) are making progress on the construction of VENUS, the facility's newest instrument for studying materials in exciting new ways that are currently not possible ...
General Physics
Jun 04, 2020
0
3
Tree roots have multiple essential functions for their growth and survival. Acquiring nutrients and water from the soil, storing food and anchoring the plant in a substratum are what keep plants alive. In addition, root traits ...
Plants & Animals
May 29, 2020
0
21
For most of the 20th century, astronomers have scoured the skies for supernovae—the explosive deaths of massive stars—and their remnants in search of clues about the progenitor, the mechanisms that caused it to explode, ...
Astronomy
Apr 27, 2020
0
278
At the Department of Energy's Argonne National Laboratory, in a side room off the ATLAS nuclear particle accelerator, Jason Clark sits on an upper platform to do his work. The cramped space requires head-ducking and watching-your-step ...
General Physics
Apr 20, 2020
0
8
A new X-ray detector prototype is on the brink of revolutionizing medical imaging, with dramatic reduction in radiation exposure and the associated health risks, while also boosting resolution in security scanners and research ...
General Physics
Apr 10, 2020
4
1128
A long-held mystery in the field of nuclear physics is why the universe is composed of the specific materials we see around us. In other words, why is it made of "this" stuff and not other stuff?
General Physics
Mar 31, 2020
2
1044
Chinese astronomers using ESA's XMM-Newton spacecraft have investigated a luminous supernova remnant (SNR) known as W49B. Results of the new study, presented in a paper published March 16 on arXiv.org, shed more light on ...
Scientists from the University of Sheffield have discovered a pulsating ancient star in a double star system, which will allow them to access important information on the history of how stars like our Sun evolve and eventually ...
Astronomy
Mar 16, 2020
0
1267
