This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and NGC 5994 (its smaller companion, ...
Astronomy
Apr 8, 2024
0
51
(PhysOrg.com) -- New research has compared the performance of the heels of modern-day distance runners to the heels of Neandertals and ancient Homo sapiens. The results show the Neandertals' heels were taller than those of ...
Most of us know this phenomenon only too well: when it's hot outside, you feel the urge for a cooling ice cream. But would you have thought that mathematics could be involved?
Mathematics
Aug 9, 2019
0
1702
Black holes are regions in space characterized by extremely strong gravity, which prevents all matter and electromagnetic waves from escaping it. These fascinating cosmic bodies have been the focus of countless research studies, ...
After days of silence, NASA has heard from Voyager 2 in interstellar space billions of miles away.
Space Exploration
Aug 1, 2023
0
6521
The term "superspreader event" has become well known since the emergence of the COVID-19 pandemic, although such events are not without precedence throughout history. Such an event involves a large gathering of people wherein ...
Mathematics
Apr 19, 2022
0
8
By clocking the speed of stars throughout the Milky Way galaxy, MIT physicists have found that stars further out in the galactic disk are traveling more slowly than expected compared to stars that are closer to the galaxy's ...
Astronomy
Jan 26, 2024
5
300
The future of particle acceleration has begun. Awake is a promising concept for a completely new method with which particles can be accelerated even over short distances. The basis for this is a plasma wave that accelerates ...
General Physics
Apr 30, 2021
0
2277
Most ordinary matter is held together by an invisible subatomic glue known as the strong nuclear force—one of the four fundamental forces in nature, along with gravity, electromagnetism, and the weak force. The strong nuclear ...
General Physics
Feb 26, 2020
31
1957
Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but with more precise data has come a conundrum: Estimates based on measurements within our local universe don't agree with extrapolations ...
Astronomy
Mar 8, 2021
9
481
