This year – on March 3, 2021 – the red planet Mars and the Pleiades star cluster – also known as the Seven Sisters – stage their closest conjunction on the sky’s dome until February 4, 2038. Source: https://earthsky.org/tonight/closest-mars-pleiades-conjunction-until-2038…
Tag: Wikipedia
Gulf Stream at its weakest in over 1,000 years
A new study suggests that the Gulf Stream – an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns – is weaker now than at any point in the last 1,000 years. Source: https://earthsky.org/earth/gulf-stream-atlantic-weakest-in-over-1000-years…
Moon, star Spica on Mar 1, 2021
This evening – March 1, 2021 – look eastward before going to bed and you just might catch the bright waning gibbous moon and the star Spica over the horizon. Source: https://earthsky.org/tonight/moon-star-spica-on-mar-1-2021…
Wikipedia has seen a spike in people editing pages during the pandemic
As Italy’s coronavirus lockdown started, Wikipedia saw an 80 per cent increase in editors from that country – and edits to the English version are up 20 per cent during the pandemic Source: https://www.newscientist.com/article/2269414-wikipedia-has-seen-a-spike-in-people-editing-pages-during-the-pandemic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Can air pollution help us find alien life?
To find alien life in our universe, scientists have considered searches for optical lasers or even giant energy-harvesting structures known as Dyson spheres. Now they’re suggesting a more mundane sort of search, a hunt for air pollution in exoplanet atmospheres. Source: https://earthsky.org/space/can-pollution-help-us-find-alien-life…
Is the Dyatlov Pass incident solved?
The Dyatlov Pass incident has intrigued people for generations, but a new theory pointing to a slab avalanche as the culprit does a thorough job of explaining how the 9 Russian trekkers died. A new video and more here. Source: https://earthsky.org/human-world/dyatlov-pass-incident-mystery-solved-slab-avalanche…
Can you see Canopus, the 2nd-brightest star?
Here’s how to spot Canopus, the 2nd-brightest star in the sky as seen from Earth, on February evenings. Source: https://earthsky.org/brightest-stars/few-know-the-second-brightest-star-canopus…
The 1st sign of intelligent life beyond Earth?
Physicist Avi Loeb of Harvard believes we should take seriously the idea that ‘Oumuamua – the 1st known object to pass through our solar system from interstellar space – might have been created by an alien civilization. His new book is called “Extraterrestrial.” Source: https://earthsky.org/space/book-avi-loeb-extraterrestrial-1st-sign-of-intelligent-life…
Tomorrow is New Year’s Day on Mars
Mars Year 36 begins on February 7, 2021. If you’re looking for a reason to celebrate, here’s to a Happy New Year … on Mars. Source: https://earthsky.org/astronomy-essentials/mars-calendar-years-began-in-earth-year-1955…
How to prevent crashes between orbiting satellites
Thousands more satellites will soon orbit Earth. We need better rules to prevent space crashes. Source: https://earthsky.org/space/satellites-prevent-space-crashes…