Einstein's theory of general relativity holds that a massive body like Earth curves space-time, causing time to slow as you approach the object—so a person on top of a mountain ages a tiny bit faster than someone at sea ...
General Physics
Feb 19, 2022
234
484
Mars is the future. It's after all NASA's current overarching goal to send humans to the Red Planet. But even as early as the 1950s, aerospace engineer Wernher von Braun, had published his vision of a mission to Mars in his ...
Space Exploration
Oct 3, 2016
15
62
A quantum phenomenon allows detectors which sense oscillations of space-time to measure with 50 percent more accuracy.
Quantum Physics
Sep 11, 2011
64
0
A German-Polish research team has succeeded in creating a micrometer-sized space-time crystal consisting of magnons at room temperature. With the help of the scanning transmission X-ray microscope Maxymus at Bessy II at Helmholtz ...
Condensed Matter
Feb 24, 2021
1
851
Thanks to the presence of a natural "zoom lens" in space, University of Chicago scientists working with NASA's Hubble Space Telescope have obtained a uniquely close-up look at the brightest gravitationally magnified galaxy ...
Astronomy
Mar 8, 2012
29
0
Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments ...
Space Exploration
Sep 25, 2014
10
1
Astronomers have spotted two ghostly Goliaths en route to a cataclysmic meeting. The newfound pair of supermassive black holes are the closest to colliding ever seen, the astronomers announced on January 9 at an American ...
Astronomy
Jan 10, 2023
0
498
A European spacecraft around Mars sent its first livestream from the red planet to Earth on Friday to mark the 20th anniversary of its launch, but rain in Spain interfered at times.
Space Exploration
Jun 2, 2023
0
404
Einstein's theory of general relativity predicts the existence of dark energy—a mysterious form of energy that permeates space and accelerates the expansion of the Universe. But what if Einstein was wrong and there was ...
General Physics
Aug 2, 2019
112
389
A team of researchers from the Johns Hopkins University Applied Physics Laboratory, North Carolina State University and NASA, has proposed, via whitepaper, that NASA should direct its Mars-bound spacecraft to fly by Venus ...
