A giant iceberg, about twice the size of Chicago, broke off from Antartica’s Brunt Ice Shelf in late February 2021. Source: https://earthsky.org/earth/giant-iceberg-breaks-off-antarctica-brunt-ice-shelf…
Tag: Radar
Space Hurricane Seen Above Magnetic North Pole Was Raining Electrons
The first space hurricane ever was spotted in August 2014, consisting of “an eddy of plasma, a type of superhot, charged gas found throughout the solar system,” reports Business Insider. “And instead of rain, this storm brought showers of electrons.” From the report: In August 2014, satellites observed a swirling mass with a quiet center more than 125 miles above the…
Is this the end of the A-68A iceberg?
Satellite images reveal that the once colossal A-68A iceberg has broken into multiple pieces. Source: https://earthsky.org/earth/end-of-the-a68a-iceberg-feb2021…
Apollo 15 landing site is strikingly clear in image captured from Earth
Scientists used powerful radar signals to capture the image. Source: https://www.livescience.com/apollo-15-landing-radar-image.html
A robot submarine could explore Titan’s deepest sea
A new study of data from NASA’s bountiful Cassini mission shows that Titan’s largest methane sea, Kraken Mare, is at least 1,000 feet – 300 meters – deep near its center. That’s plenty of room for a future robotic submarine to explore. Source: https://earthsky.org/space/titans-largest-sea-kraken-mare-is-1000-feet-deep…
Successful test paves way for new planetary radar
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 capture high-resolution images in near-Earth space. Source: https://phys.org/news/2021-01-successful-paves-planetary-radar.html…
Discord Bans the r/WallStreetBets Server As Subreddit Goes Private
According to The Verge, Discord has banned the r/WallStreetBets server for allowing “hateful and discriminatory content after repeated warnings.” It did not ban the server for financial fraud. We have also learned that Reddit’s WallStreetBets subreddit has been set to private. Here is Discord’s full statement: The server has been on our Trust & Safety team’s radar for some time due…
New evidence for multiple ice ages on Mars
Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years. Source: https://earthsky.org/space/new-evidence-for-multiple-ice-ages-on-mars…
China’s huge FAST telescope to open to international observers
FAST’s 500-meter (1,640-foot) dish makes it the world’s largest single-dish radio observatory. It’s expected to open to international observers in 2021. Source: https://earthsky.org/space/worlds-largest-radio-telescope-china-fast…
Microsoft Joins $2 Billion Deal With GM To Roll Out Self-Driving Cars
Microsoft is joining GM, Honda and others in a $2 billion investment round in Cruise to help commercialize its self-driving cars. The deal bumps Cruise’s valuation to $30 billion, from $19 billion last year. From a report: The investment is part of a broader commitment by GM and Cruise to use Microsoft’s Azure cloud-computing platform across their companies, especially as they…