NASA's Solar Dynamics Observatory has been continuously observing the sun since its launch in 2010. From its vantage point above Earth, it sees the moon pass in front of the sun 2 to 5 times a year.
Popocatépetl volcano near Mexico City has been erupting since January 2005. On January 6, Mexico’s National Center for Prevention of Disasters, which continuously monitors the volcano, warned people not to approach due to an outburst that caused falling ash and rock fragments.
Photographers around the world are sharing their pics of the last full moon of 2020 and this decade, which occurred on December 29 or 30, depending on your location.
Jupiter and Saturn's great conjunction - where they appeared exceedingly close on the sky's dome - was December 21. Thank you to EarthSky community members from around the world who captured photos!
During a total solar eclipse, the moon's shadow sweeps across Earth. Those in the shadow's path see the total eclipse. Those outside the path of the shadow may see varying stages of a partial eclipse.