Wednesday, 2 April 2025

X-Class Solar Flare From Emerging Sunspot Causes Radio Blackouts

An unexpected X1.1-class solar flare erupted from sunspot AR4046, triggering shortwave radio blackouts over North and South America. The flare originated from the sun’s eastern limb and was accompanied by a coronal mass ejection that is not expected to impact Earth. Space weather experts have warned that the sunspot will face Earth in the coming days, raising the po...

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Two New Exoplanets Found Orbiting a Star in Draco Constellation

Astronomers have identified two exoplanets, TOI-1453 b and TOI-1453 c, orbiting a star 250 light-years away in Draco. The planets, a super-Earth and a sub-Neptune, were detected using NASA’s TESS satellite and the HARPS-N spectrograph. TOI-1453 b is a rocky planet orbiting close to its star, while TOI-1453 c is twice Earth’s size and may have a hydrogen-rich atmos...

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Tuesday, 1 April 2025

Greenland’s Melting Glaciers Expose 1,620 km of New Coastline Since 2000

Over the past 20 years, Greenland’s glaciers have melted enough to expose 1,620 kilometres of new coastline, altering the Arctic’s geography. Satellite data from 2000 to 2020 tracked these changes, showing significant ice loss. The study also identified 35 newly exposed islands, some of which remain unclaimed on existing maps. Scientists warn of environmental cons...

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