How many atoms are in the observable universe? | Live Science
网页2021年7月10日 · Hydrogen atoms account for around 90% of the total atoms in the universe, according to Los Alamos National Laboratory, and an even higher percentage of the atoms in stars, which we are...
New Evidence Our Neighborhood in Space Is Stuffed With …
网页2020年10月30日 · Findings published today in the Astrophysical Journal share new observations that the local interstellar medium contains approximately 40% more hydrogen atoms than some prior studies suggested. The results unify a number of otherwise disparate measurements and shed new light on our neighborhood in space.
NASA’s Cold Atom Lab Sets Stage for Quantum Chemistry in Space
网页2023年11月15日 · For the first time in space, scientists have produced a quantum gas containing two types of atoms. Accomplished with NASA’s Cold Atom Laboratory aboard the International Space Station, the achievement marks another step toward bringing quantum technologies currently available only on Earth into space.
Watch atoms fuse into world's 'smallest bubble' of water in 1st-of …
网页3 天之前 · For the first time, researchers have captured nanoscale video footage of hydrogen and oxygen atoms combining into water out of "thin air" — thanks to a rare metal catalyst.
Quantum gas mixtures and dual-species atom interferometry in space
网页2023年11月15日 · A growing infrastructure of space-based ultracold atomic physics has the potential for transformative discoveries in gravity science, cosmology, the nature of dark energy and dark matter, and ...
NASA's Cold Atom Lab Takes One Giant Leap for Quantum Science
网页2020年6月12日 · A new study describes how the mission became the first to make a fifth state of matter in Earth orbit, and the advantages of studying atoms in space. This month marks 25 years since scientists first produced a fifth state of matter, which has extraordinary properties totally unlike solids, liquids, gases and plasmas.
Cold atoms in space: community workshop summary and …
网页2022年11月20日 · We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space.
Ultracold atom interferometry in space | Nature Communications
网页2021年2月26日 · Here the authors report matter-wave interferometry in space using atomic BECs in a sounding rocket. Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne...
Focus on Cold Atoms in Space - IOPscience
网页In this paper we explore the potential for space-based experiments to extend the limits of ultracold atoms utilizing not just microgravity, but also other aspects of the space environment such as exceptionally good vacuums and extremely cold temperatures.
[2201.07789] Cold Atoms in Space: Community Workshop …
网页2022年1月19日 · We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space.