Does lightning strike on Venus? Maybe not, study suggests
Venus may be a (slightly) gentler place than some scientists give it credit for.
Planetary Sciences
Oct 2, 2023
3
188
News tagged with radio
Let the robot take the wheel: Autonomous navigation in space
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
Massive low-Earth orbit communications satellites could disrupt astronomy
Observations of the BlueWalker 3 prototype satellite show it is one of the brightest objects in the night sky, outshining all but the brightest stars.
Astronomy
Oct 2, 2023
0
91
A search for links between two of the universe's most spectacular phenomena has come up empty—for now
Every so often, astronomers glimpse an intense flash of radio waves from space—a flash that lasts only instants but puts out as much energy in a millisecond as the sun does in a few years. The origin of these "fast radio ...
Astronomy
Sep 29, 2023
1
265
Monitoring of radio galaxy M87 confirms black hole spin
The nearby radio galaxy M87, located 55 million light-years from the Earth and harboring a black hole 6.5 billion times more massive than the sun, exhibits an oscillating jet that swings up and down with an amplitude of about ...
Astronomy
Sep 27, 2023
1
57
Listening to the radio on the far side of the moon
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
The impact of solar eclipses on the structure and dynamics of Earth's upper atmosphere
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
James Webb Space Telescope and ALMA capture the core of the most distant galaxy protocluster
The study of how individual stars are born and die in galaxies, how new stars are born from remnants of old stars, and how galaxies themselves grow are important themes in astronomy, as they provide insight into our roots ...
Astronomy
Sep 20, 2023
0
147
If astronomers see these chemicals in a planet's atmosphere, there's likely an advanced civilization there
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
Rise in global thunderstorm activity might increase the quantity of wispy cirrus clouds—accelerating global warming
A new study has found a significant statistical correlation between thunderstorms occurring around the world and the formation of wispy cirrus clouds—which might increase global warming. The researchers say, "We know that ...
Earth Sciences
Sep 13, 2023
0
11
