On any given day, NASA's networks may communicate with more than 100 space missions. Whether the mission keeps the lines of communication open with orbiting astronauts or peers deep into the cosmos, those dozens of satellites ...
Space Exploration
Nov 3, 2023
0
3
NASA's Lucy spacecraft is preparing for its first close-up look at an asteroid. On Nov. 1, it will fly by asteroid Dinkinesh and test its instruments in preparation for visits in the next decade to multiple Trojan asteroids ...
Space Exploration
Oct 19, 2023
0
55
Radio astronomy and satellite communication have a long common history. Advances made in one field have benefitted the other, and our modern era of spacecraft and mobile internet is a product of this partnership. But there ...
Astronomy
Oct 9, 2023
0
26
The ability to have access to the Internet or use a mobile phone anywhere in the world is taken more and more for granted, but the brightness of Internet and telecommunications satellites that enable global communications ...
Space Exploration
Oct 8, 2023
0
19
Our planet is being continuously bathed in radio signals from satnav satellites—which are useful for much more than just navigation. Dedicated space missions acquire these signal reflections to amass valuable environmental ...
Space Exploration
Oct 6, 2023
0
28
Tracking spacecraft as they traverse deep space isn't easy. So far, it's been done manually, with operators of NASA's Deep Space Network, one of the most capable communication arrays for contacting probes on interplanetary ...
Space Exploration
Oct 2, 2023
0
10
There are unexplored regions of the universe—and there are also unexplored times. In fact, there's a nearly 400-million-year gap in our universe's history that we've never seen: a time before stars known as the Dark Ages. ...
Space Exploration
Sep 26, 2023
0
85
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
0
0
In an age of ever-growing numbers of exoplanets circling other stars, it's natural that astronomers search for signatures of advanced civilizations. Such signatures may have biological or technological origins.
Astrobiology
Sep 18, 2023
1
134
Adrift in a great sea of stars, we must surely not be alone.
Astronomy
Sep 1, 2023
1
102
