Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...
General Physics
Sep 25, 2023
90
1036
Astronomers have found a striking link between the amount of dust surrounding a supermassive black hole and the strength of the radio emission produced in extremely bright galaxies.
Astronomy
Sep 25, 2023
1
119
A team of engineers and technicians at Ball Aerospace, one of the industry partners for NASA's Nancy Grace Roman Space Telescope, and NASA's Goddard Space Flight Center in Greenbelt, Maryland, has finished assembling the ...
Space Exploration
Sep 13, 2023
0
8
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
General Physics
Sep 11, 2023
12
1788
Our best understanding of the universe is rooted in a cosmological model known as LCDM. The CDM stands for cold dark matter, where most of the matter in the universe isn't stars and planets, but a strange form of matter that ...
Astronomy
Sep 5, 2023
196
57
NASA's Nancy Grace Roman Space Telescope team has begun integrating and testing the spacecraft's electrical cabling, or harness, which enables different parts of the observatory to communicate with one another. Additionally, ...
Astronomy
Aug 23, 2023
0
6
Astrophysicists can use measurements of the cosmic microwave background, radiation formed 380,000 years after the Big Bang, to understand what the universe was like in its infancy. And by observing light emitted from galaxies ...
Astronomy
Aug 14, 2023
0
59
Researchers have found a new way to measure dark energy—the mysterious force that makes up more than two-thirds of the universe and is responsible for its accelerating expansion—in our own cosmic backyard.
Astronomy
Aug 14, 2023
0
82
The Euclid space telescope, launched July 1 on a mission to shed more light on elusive dark matter and dark energy, has reached its destination orbit and on Monday its European operators revealed its first test images.
Space Exploration
Aug 5, 2023
7
297
Galaxies grow and evolve over billions of years by absorbing nearby companions and merging with other galaxies. The early stages of this galactic growth process are showcased in a new image taken with the US Department of ...
Astronomy
Jul 25, 2023
0
74
