Activity on the sun affects Earth's magnetic field. It can cause geomagnetic storms and can create beautiful auroras. Are these solar storms dangerous?
An aurora season occurs in March and October each year, due to the way the magnetic fields of the sun and the Earth work in conjunction with sun-Earth geometry.
Do you think daylight saving time is a good idea? Whether you like it or not, here are some handy tips on how to cope with the time change in the spring.
The Beehive cluster is an open star cluster that lies near the center of the constellation Cancer the Crab. It goes by many names, including Praesepe and M44.
Mars is ascending higher in the morning sky, and Venus is sinking sunward. Mars will be visible - but dim - before dawn for most of 2024. Then, by the year's end, it'll suddenly become noticeable!
Cassiopeia the Queen is an easy-to-find constellation. It has the shape of a W or M. Look in the northwest on evenings in late winter and early spring.
Deborah Byrd created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. In 2020, she won the Education Prize from the American Astronomical Society, the largest organization of professional astronomers in North America. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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