To the unaided eye, Epsilon Lyrae, in the constellation Lyra, appears as one star. But it’s actually a star system with at least five stars. Source: https://earthsky.org/brightest-stars/epsilon-lyrae-the-famous-double-double-star…
Tag: autumn
Moon and Antares in early July
These next few evenings – July 1 and 2, 2020 – let the moon be your guide to Antares, a red supergiant star whose humongous size is truly difficult to fathom! Source: https://earthsky.org/tonight/moon-and-antares-in-early-july…
Moon sweeps through Leo July 25 and 26
Regulus is the brightest star in the constellation Leo the Lion. The moon can help you find it at nigtfall June 24 and 25, 2020. Source: https://earthsky.org/tonight/moon-pairs-up-with-royal-star-regulus…
Emperor penguins are good dads
On this Father’s day, a special shout-out to one of the most exceptional dads in nature, emperor penguins. They endure the harshest winter conditions on Earth for their offspring. Source: https://earthsky.org/earth/male-penguin-eggs…
UK Virus-Tracing App Switches To Apple-Google Model
An anonymous reader quotes a report from the BBC: In a major U-turn, the UK is ditching the way its current coronavirus-tracing app works and shifting to a model based on technology provided by Apple and Google. The Apple-Google design has been promoted as being more privacy-focused. However, it means epidemiologists will have access to less data. The government now intends…
Facebook To Let Users Turn Off Political Ads
Facebook boss Mark Zuckerberg says users will be able to turn off political adverts on the social network in the run-up to the 2020 US election. The BBC reports: In a piece written for USA Today newspaper, he also says he hopes to help four million Americans sign up as new voters. “For those of you who’ve already made up your…
Libra? Here’s your constellation
The zodiacal constellation Libra the Scales is a fixture of the evening sky during a Northern Hemisphere summer (Southern Hemisphere winter). Source: https://earthsky.org/astronomy-essentials/libra-heres-your-constellation…
Vega: Brilliant blue-white star in the Summer Triangle
Vega is 1 of 3 stars in an asterism – or noticeable star pattern – called the Summer Triangle in the early evening sky. Source: https://earthsky.org/brightest-stars/vega-brilliant-blue-white-is-third-brightest-star…
Virgo? Here’s your constellation
The constellation Virgo the Maiden fully returns to the early evening sky – with her feet planted on the eastern horizon – in early May. Source: https://earthsky.org/astronomy-essentials/virgo-heres-your-constellation…
What’s a constellation? What’s an asterism?
Both constellations and asterisms are patterns of stars. What’s the difference? Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-constellation-asterism…