NASA researchers have observed “superbolts” of lightning in Jupiter’s atmosphere, which form in clouds made of water and ammonia.
Category: space – Page 677
Space calendar 2020: Upcoming rocket launches, meteor showers, Mars missions and more!
Here’s everything significant happening in space science and solar system exploration for the rest of the year.
#SpaceWatchGL Opinion: Space Traffic Management – Impact of Large Constellations on Military Operations in Space.
🌚 #SpaceWatchGL
As part of the partnership between SpaceWatch. Global and Joint Air Power Competence Centre, we have been granted permission to publish selected articles and texts. We are pleased to present “Space Traffic Management – Impact of Large Constellations on Military Operations in Space”, originally published by the Joint Air Power Competence Centre for the Conference Read Ahead 2020.
by Mr. Marc Becker, DLR Space Administration, Bonn, Germany
As Space Actors Consolidate their Approaches to Space Traffic Management, What is the Role of the Military?
Space Traffic Management (STM) is currently one of the hottest topics in space policy. While a consensual definition of the term is yet to emerge, it becomes increasingly clear that the international community has to find ways to protect space infrastructure and guarantee the safe and sustainable use of outer space in the long run, amid an ever-growing number of actors and objects in the space domain.
Scientists have discovered what they believe may be the largest impact crater in the entire solar system, with scars covering a vast portion of Jupiter’s huge moon, Ganymede.
Scientists can use some pretty wild forces to manipulate materials. There’s acoustic tweezers, which use the force of acoustic radiation to control tiny objects. Optical tweezers made of lasers exploit the force of light. Not content with that, now physicists have made a device to manipulate materials using the force of… nothingness.
OK, that may be a bit simplistic. When we say nothingness, we’re really referring to the attractive force that arises between two surfaces in a vacuum, known as the Casimir force. The new research has provided not just a way to use it for no-contact object manipulation, but also to measure it.
The implications span multiple fields, from chemistry and gravitational wave astronomy all the way down to something as fundamental and ubiquitous as metrology — the science of measurement.
Most FRBs originate hundreds of millions of light-years away. This one came from inside the Milky Way.
A new map shows what the red planet would look like if 71 percent of its surface area was covered with water — around the same proportion as Earth.
ST. LOUIS (KTVI) — The Perseid meteor shower is now underway and is about one week from its mid-August peak.
Considered the best meteor shower of the year, you can see up to 50 meteors per hour, according to NASA, and sometimes even more if conditions are right. The fast and bright meteors often leave long wakes of light behind them as they streak through the atmosphere, making them easy to see even for the casual astronomer.
The Perseids get their name from the constellation Perseus because they appear to radiate from that spot in the sky, but the constellation isn’t the source. When comets come around the sun, they leave a dusty trail behind them. This time each year, Earth passes by debris from the comet Swift-Tuttle, which burns up in our atmosphere.
The 4-hour excursion will bring the spacecraft to just 131 ft (40 m) above Bennu.
Here’s a preview of the rehearsal: https://go.nasa.gov/30zVOgR