Astronomical

Not One, Not Two, But Three Planetary Systems Are Forming Around This Binary Star

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Astronomers have spied three whole systems of exoplanets being born around one binary star. SVS 13 is a binary star system 980 light-years away, and the complex structures of dust around it are shedding light on how planetary systems are born in these fascinating environments. Since a large proportion of stars is bound up in … Read more

International Astronomical Union launches new center to fight satellite megaconstellation threat

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The International Astronomical Union (IAU) has launched a new center to fight the threat of satellite megaconstellations, which it now describes as worse than urban light pollution.  The Center for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference will be run jointly by the U.K.-headquartered Square Kilometer Array Observatory organization and … Read more

This 19th Century ‘Eco-Villain’ Made Space Art That Was Truly Ahead of Its Time

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Astrophotography allows us all to become citizens of the cosmos.  At a glimpse, we can be transported into the depths of space to gaze upon Jupiter’s dazzling cloudscape. Moments later we can picture the shifting rust-colored sands of Mars, or navigate our way across the lunar surface.   It’s a gift that’s easy to take … Read more

An Ancient Greek Astronomical Calculation Machine Reveals New Secrets

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In 1900 diver Elias Stadiatis, clad in a copper and brass helmet and a heavy canvas suit, emerged from the sea shaking in fear and mumbling about a “heap of dead naked people.” He was among a group of Greek divers from the Eastern Mediterranean island of Symi who were searching for natural sponges. They … Read more