Researchers at Big Bear Solar Observatory have tuned their adaptive optics array and achieved first light, capturing this image of a sunspot that is now the most detailed ever captured in visible light. The image was captured with Big Bear’s New Solar Telescope (NST), a brand new instrument (as the name implies) with a [...]
An experimental solar-powered plane took off from western Switzerland on Wednesday for a 24-hour test flight – a key step in a historic effort to one day circle the globe using only energy collected from the sun.
The plane with its 262.5-foot (80-meter) wingspan left Payerne airfield shortly before 7 a.m. after overcoming an equipment problem [...]