We can't detect them yet, but radio signals from distant solar systems could provide valuable information about the characteristics of their planets.
Astronomy
Jun 23, 2021
1
18
Scientists at Sandia National Laboratories have built the world's smallest and best acoustic amplifier. And they did it using a concept that was all but abandoned for almost 50 years.
General Physics
Jun 2, 2021
0
417
The radio signal from a distant compact radio source is scattered by the density inhomogeneities of the solar wind, and consequently a random diffraction pattern is observed on the Earth.
Astronomy
Jun 1, 2021
0
205
How is matter distributed within our universe? And what is the mysterious substance known as dark energy made of? HIRAX, a new large telescope array comprising hundreds of small radio telescopes, should provide some answers. ...
Astronomy
May 31, 2021
2
244
The search for extraterrestrial intelligence (SETI) has long roots in human history. With the advent of modern technologies, scientists were finally able to start scanning the skies for any sign of life. When the search ...
Astronomy
Apr 9, 2021
4
38
As Carl Sagan once said, "The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars." And our first emissaries to the stars will be robotic probes. These interstellar probes will be largely ...
Astronomy
Mar 25, 2021
8
319
Shaping radio signals using photonics technologies seems like a detour. But the versatility of current programmable silicon photonic circuits can open new possibilities according to researchers of the University of Twente. ...
Optics & Photonics
Mar 12, 2021
0
995
The National Science Foundation's Green Bank Observatory (GBO) and National Radio Astronomy Observatory (NRAO), and Raytheon Intelligence & Space conducted a test in November to prove that a new radio telescope system can ...
Astronomy
Jan 28, 2021
3
13
In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of Venus. The team's reported detection, based on observations by two Earth-based radio ...
Astronomy
Jan 27, 2021
8
360
A cubical satellite small enough to sit on the palm of your hand is zipping around the world and sending data about radiation to the Louisiana students who designed and built it.
Space Exploration
Jan 23, 2021
1
116
