Remnants of a Historic Supernova and Tropical Storms Tracked from Orbit
A new look at a nebula born from an ancient stellar explosion, alongside NASA satellite tracking of active storms.
NASA's Astronomy Picture of the Day features Nebula Pa 30, observed by the Gemini North Telescope in Hawai'i. According to NASA, it is likely the remnant of a Type Iax supernova recorded by astronomers in 1181 and visible for 185 days. The explosion is thought to have resulted from the merger of two white dwarfs, with its hot central star driving winds that formed radial filaments containing knots four light-days wide.
NASA's EONET system is monitoring Hurricane Nolo. According to data from the Joint Typhoon Warning Center (JTWC), the storm's maximum winds were measured at 80 knots.
NASA is also tracking Super Typhoon Choi-wan, which was recorded with maximum sustained winds of 75 knots based on JTWC observations.
Additionally, satellite tracking recorded Hurricane Rachel, which according to the US National Hurricane Center (NOAA NHC) and JTWC reached maximum wind speeds of 70 knots.
Sources: NASA APOD, NASA APOD, NASA APOD, NASA EONET
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