An asteroid with cars made just the closest known approach to Earth, without actually colliding with the planet. And investigators did not even know it for hours until hours after it was already over. Asteroid 2020 QG, formerly known as ZTFoDxQ, zooms past Earth on Sunday at 12:08 pm EDT, …
Read More »NASA is following an enormous, growing anomaly in the Earth’s magnetic field
NASA is actively monitoring an early anomaly in the Earth’s magnetic field: a gigantic region with lower magnetic intensity in the skies above the planet, which extends between South America and southwest Africa. This large, evolving phenomenon, called the South Atlantic Anomaly, has intrigued and troubled scientists for years, and …
Read More »What are lightning bolts? | Earth
View at EarthSky Community Photos. | Stephen Hummel, who works at McDonald Observatory in West Texas, captured this cheerful lightning sprite – aka a red sprite – on July 2, 2020. McDonald Observatory is a spearhead for a Dark Skies Initiative in his region. Stephen commented, “Dark skies help you …
Read More »Magical image of the ISS helps two significant earth phenomena in one image
Earth is a truly magical place. We know it’s not the kind of thing you would expect to read on a science website, but just a look at the photo above – a pre-dawn photo taken by an Expedition 62 crew member on the International Space Station (ISS) back in …
Read More »Insect apocalypse? Not so fast, at least in North America | Earth
The Texas frosted elfin (Callophrys irus hadros), a small butterfly subspecies found only in Arkansas, Texas, Oklahoma and Louisiana, has lost most of its prairie habitat and is thought to have declined dramatically over the past century. Image by Matthew D. Moran / The conversation. By Matthew D. Moran, Hendrix …
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