A New Marker Might Better Track the Solar Cycle
Approximately every 11 years the Sun becomes violently active, putting on a show of magnetic activity for aurora watchers and sungazers alike. But the timing of the solar cycle is far from precise, making it hard to determine the exact underlying physics. Typically astronomers use sunspots to map the course of the solar cycle, but…
cosmic
Comet Hyakutakewas: Japanese amateur astronomer Yuji Hyakutake’s second comet discovery, and the third comet discovered in 1996. The comet came within 8 million miles of Earth on March 25. It was very well placed for viewing because it was be near the “North Star” (Polaris). It appeared, to the naked eye, like a fuzzy ball with a trailing edge!