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 ...
By studying the chemical elements on Mars today—including carbon and oxygen—scientists can work backwards to piece together the history of a planet that once had the conditions necessary to support life.
Astronomy
May 19, 2020
7
1952
Astronomers led by Eduardo Bañados of the Max Planck Institute for Astronomy have discovered a gas cloud that contains information about an early phase of galaxy and star formation, merely 850 million years after the Big ...
Astronomy
Nov 1, 2019
13
951
The actinides—those chemical elements on the bottom row of the periodic table—are used in applications ranging from medical treatments to space exploration to nuclear energy production. But purifying the target element ...
Materials Science
Jun 4, 2019
0
67
The chemical element lithium has been found for the first time in material ejected by a nova. Observations of Nova Centauri 2013 made using telescopes at ESO's La Silla Observatory, and near Santiago in Chile, help to explain ...
Astronomy
Jul 29, 2015
11
2505
A breakthrough using data from the Gaia-ESO project has provided evidence backing up theoretically predicted divisions in the chemical composition of the stars that make up the Milky Way's disc – the vast collection of ...
Astronomy
Jan 19, 2014
16
0
(Phys.org) —More than 12 billion years ago a star exploded, ripping itself apart and blasting its remains outward in twin jets at nearly the speed of light. At its death it glowed so brightly that it outshone its entire ...
Astronomy
Aug 6, 2013
6
0
A new look at the diets of ancient African hominids shows a "game changer" occurred about 3.5 million years ago when some members added grasses or sedges to their menus, according to a new study led by the University of Colorado ...
Archaeology
Jun 3, 2013
4
0
An international team of scientists, including a University of York researcher, has carried out ground-breaking experiments to investigate the atomic structure of astatine (Z=85), the rarest naturally occurring element on ...
General Physics
May 14, 2013
0
1
(Phys.org)—University of Pennsylvania engineering Professor Mark Yim and his students in the Department of Mechanical Engineering and Applied Mechanics have been floating their robotic boats at the university pool after-hours ...
