Sirius is a binary star, with a small white dwarf called the Pup orbiting the large primary star. It’s not easy to observe, but it is possible. Here’s how. Source: https://earthsky.org/brightest-stars/how-to-observe-sirius-b…
Tag: grab
Robots Are Speeding Up the Most Boring Job In Astronomy
sciencehabit writes: The Sloan Digital Sky Survey (SDSS) has, for more than 20 years, pioneered collecting spectra from millions of astronomical objects, from nearby stars to supermassive black holes. But this year, the survey is making a change: Instead of employing a small team of technicians for the daily chore of plugging optical fibers into preprepared plates so that — when…
How Reddit’s Co-Founder, Jim Cramer, and Wall Street Reacted to GameStop’s Surge
Friday afternoon CNBC reported that “heightened speculative trading by retail investors” (later referred to as “GameStop mania”) had “continued to unnerve the market.”
The Dow Jones Industrial average lost 620.74 points, or 2%, to 29,982.62, the first time the 30-stock gauge has closed below the 30,000 mark since Dec. 14…. The market also experienced the highest trading volume in years as the…