Black holes are at the center of almost all galaxies that have been studied so far. They have an unimaginably large mass and therefore attract matter, gas and even light. But they can also emit matter in the form of plasma ...
Astronomy
Aug 21, 2020
42
5134
Extensive power outages and satellite blackouts that affect air travel and the internet are some of the potential consequences of massive solar storms. These storms are believed to be caused by the release of enormous amounts ...
Space Exploration
Jul 29, 2020
1
155
On May 29, 2020, a family of sunspots—dark spots that freckle the face of the sun, representing areas of complex magnetic fields—sported the biggest solar flare since October 2017. Although the sunspots are not yet visible ...
Astronomy
Jun 1, 2020
0
324
A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton ...
Space Exploration
Dec 13, 2019
49
512
A probe launched by NASA four days after Elvis died has delivered a treasure trove of data from beyond the "solar bubble" that envelops Earth and our neighbouring planets, scientists reported Monday.
Astronomy
Nov 4, 2019
0
1505
The Sun is why we're here. It's also why Martians or Venusians are not.
Space Exploration
Jun 17, 2019
3
434
In the past three decades, almost 4,000 planet-like objects have been discovered orbiting isolated stars outside the solar system (exoplanets). Beginning in 2011, it was possible to use NASA's Kepler Space Telescope to observe ...
Astronomy
Apr 9, 2019
1
1186
Using more than a half-century of observations, Japanese astronomers have discovered that the microwaves coming from the sun at the minimums of the past five solar cycles have been the same each time, despite large differences ...
Space Exploration
Nov 17, 2017
0
42
NASA's Solar Dynamics Observatory came across an oddity that the spacecraft has rarely observed before: a dark filament encircling an active region (Oct. 29-31, 2017). Solar filaments are clouds of charged particles that ...
Space Exploration
Nov 9, 2017
3
167
The elemental composition of the Sun's hot atmosphere known as the 'corona' is strongly linked to the 11-year solar magnetic activity cycle, a team of scientists from UCL, George Mason University and Naval Research Laboratory ...
Space Exploration
Aug 3, 2017
5
390
