The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an object known as "God's Hand" among the faithful. The rest of us call it CG 4.
Astronomy
May 8, 2024
0
62
New observations from NASA's New Horizons spacecraft hint that the Kuiper Belt—the vast, distant outer zone of our solar system populated by hundreds of thousands of icy, rocky planetary building blocks—might stretch ...
Astronomy
Feb 20, 2024
1
76
We know of Mars as the red planet, for its surface and atmosphere is caked in endless swirling dust of rusted iron, the rusting action provided by the always-eager oxygen. But this was not always so.
Astrobiology
Jan 24, 2024
0
36
Recently, much attention has been given to massive, active galaxies discovered by the JWST in the early universe. But in contrast to these active galaxies, some galaxies that the JWST has discovered have been unusually quiet ...
Astronomy
Oct 11, 2023
2
45
Bringing protons up to speed with strong laser pulses—this still young concept promises many advantages over conventional accelerators. For instance, it seems possible to build much more compact facilities. Prototypes to ...
Optics & Photonics
Jul 31, 2023
1
12
Most people are familiar with solids, liquids, and gases as three states of matter. However, a fourth state of matter, called plasmas, is the most abundant form of matter in the universe, found throughout our solar system ...
Plasma Physics
Nov 17, 2022
4
177
Astronomers have observed directly for the first time how intense light from stars can 'push' matter. Researchers from the universities of Cambridge and Sydney made the observation when tracking a giant plume of dust generated ...
Astronomy
Oct 12, 2022
5
995
The very first stars likely formed when the universe was only 100 million years old, less than one percent its current age. These first stars—known as Population III—were so titanically massive that when they ended their ...
Astronomy
Sep 28, 2022
0
2311
Getting atoms to do what you want isn't easy—but it's at the heart of a lot of groundbreaking research in physics.
General Physics
Aug 25, 2022
0
12
Virtually all vital chemical processes take place in aqueous solutions. In such processes, a decisive role is played by electrons that are exchanged between different atoms and molecules and thus, for instance, create or ...
Optics & Photonics
Jul 19, 2022
0
224
