It has been believed that Hall thrusters, an efficient kind of electric propulsion widely used in orbit, must be large to produce a lot of thrust. Now, a new study from the University of Michigan suggests that smaller Hall ...
Space Exploration
Jan 24, 2023
4
3819
A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
1
1288
Over the past few years, scientists have demonstrated how cage-like, porous structures made of silicon and oxygen and measuring only billionths of a meter in size can trap noble gasses like argon, krypton, and xenon. However, ...
Nanophysics
Sep 1, 2021
1
161
An unusual chunk in a meteorite may contain a surprising bit of space history, based on new research from Washington University in St. Louis.
Astronomy
Jan 28, 2020
7
3890
Scientists are excited about diamonds—not the types that adorn jewelry, but the microscopic variety that are less than the width of a human hair. These so-called "nanodiamonds" are made up almost entirely of carbon. But ...
Nanomaterials
May 3, 2019
3
270
Researchers at Penn State, the Department of Energy's Oak Ridge National Laboratory and Lockheed Martin Space Systems Company have developed methods to control defects in two-dimensional materials, such as graphene, that ...
Nanomaterials
Oct 10, 2016
0
954
(PhysOrg.com) -- On Earth, helium is a gas used to float balloons, as in the movie "Up." In the interior of Jupiter, however, conditions are so strange that, according to predictions by University of California, Berkeley, ...
General Physics
Mar 22, 2010
1
0
(PhysOrg.com) -- Deep underground aquifers in the American Southwest contain gases that tell of the region's ancient climate, and support a growing consensus that the jet stream over North America was once split in two.
Earth Sciences
Jan 12, 2010
2
0
For the first time, scientists have successfully trapped atoms of krypton (Kr), a noble gas, inside a carbon nanotube to form a one-dimensional gas.
Nanophysics
Jan 22, 2024
0
60
A pretty special gift unwrapping will soon take place—a piercing tool built by ESA will open a moon soil container from Apollo 17 that has gone untouched for nearly 50 years. The opening will allow the extraction of precious ...
Space Exploration
Dec 17, 2021
0
263
