The U.S. Air Force began preparing for war on May 23, 1967, thinking that the Soviet Union had jammed a set of American surveillance radars. But instead the powerful 1967 solar storm was to blame.
A Jupiter X-ray aurora mystery has perplexed astronomers for decades. Now they think ions responsible for the X-rays “surf” electromagnetic waves into Jupiter’s atmosphere.
The post Jupiter X-ray aurora mystery solved, after 40 years first appeared on EarthSky.
Observers using a good pair of binoculars or a small telescope can see events called transits on Jupiter, when a moon or its shadow passes in front of the giant planet.
Today’s dose of BBC climate propaganda: Flash flooding affects cities across the world and has become more common because of climate change. Parts of London and the south of England were left underwater after heavy rain in July. What is…
Orion the Hunter returns to the east at dawn every year at this time. Here’s how to watch for this most noticeable of constellations.
The post Orion the Hunter returns late July or early August first appeared on EarthSky.