How do skywatchers measure distances in the night sky? Here’s how to understand it when they speak of objects as being several degrees (or several arc minutes or arc seconds) apart. Source: https://earthsky.org/astronomy-essentials/sky-measurements-degrees-arc-minutes-arc-seconds…
Tag: Essentials
Biggest asteroid to pass near Earth in 2021 is also one of the fastest
Asteroid 2001 FO32 will be sweeping past Earth at such a fast pace that, when it’s closest, observers using telescopes might be able to detect its motion – its drift in front of the stars – in real time. Source: https://earthsky.org/astronomy-essentials/asteroid-2001-fo32-big-fast-pass-near-earth-2021…
Why are the stars so bright tonight?
In late December – and in January and February – our evening sky faces away from the Milky Way’s star-rich center. We look toward the depths of space beyond our galaxy’s boundaries and toward some close, bright stars in our local spiral arm. Source: https://earthsky.org/astronomy-essentials/star-seasonal-appearance-brightness…
RubyGems Catches Two Packages Trying to Steal Cryptocurrency with Clipboard Hijacking
One day after they were uploaded, RubyGems discovered and removed two malicious packages that had been designed to steal cryptocurrency from unsuspecting users by installing a clipboard hijacker, reports Bleeping Computer, citing research by open-source security firm Sonatype. Fortunately, while the packages were downloaded a total of 142 times, “At this time, none of the cryptocurrency addresses have received any funds.”…
Find the Geminids’ radiant point
Why is the Geminid meteor shower best around 2 a.m.? It’s because that’s when the shower’s radiant point – near the bright star Castor in the constellation Gemini – is highest in the sky. Source: https://earthsky.org/astronomy-essentials/radiant-point-for-geminid-meteor-shower…
10 tips for watching the Geminids
We anticipate 2020 will be a great year for watching the Geminid meteor shower! Here are 10 tips. Source: https://earthsky.org/astronomy-essentials/10-tips-for-watching-the-geminids…