This is the Shadow of a Solar Eclipse Seen from Behind the Moon

During a total eclipse event on July 2, 2019 the shadow of the Moon passed across the southern Pacific Ocean and parts of Chile and Argentina. For viewers on Earth the event briefly turned the daytime sky to night as the Moon completely blocked the Sun, but for one spacecraft orbiting far beyond the Moon…

Black Hole Sun: Photos of a Total Solar Eclipse

Today, August 21, 2017, the Moon briefly slid in front of the Sun, casting its shadow onto the Earth–the deepest part of which (called the umbra) passing across the United States from Salem, Oregon to Charleston, South Carolina. I arranged to be positioned at the latter location, and thus experienced for the first time solar…

Answers to 8 Questions About the August 2017 Solar Eclipse

It’s August and one of the most highly-anticipated astronomical events of the 21st century is nearly upon us: the August 21 solar eclipse, which will be visible as a total eclipse literally across the entire United States…but that doesn’t mean everywhere in the United States. Totality will pass across the U.S. in a narrow band about…

Supermoon Eclipse 2015

Last night a large part of the world’s population was treated to a relatively rare variety of a not-so-rare night sky spectacle: a total lunar eclipse that happened to coincide with the closest perigee Moon (aka “supermoon”) of the year. The last time these scenarios lined up this way was in 1982, and it won’t occur…

Get Ready For The First Total Supermoon Eclipse in 33 Years

It’s coming — on September 27 there will be a total lunar eclipse, the entirety of which will be visible across much of the western hemisphere! During total lunar eclipses the Moon passes through the shadow of Earth cast by the Sun, and is colored by dusky blue, purple, and crimson light as its normally…

Experience Eclipse Totality (VIDEO)

Totality — that brief period during a solar eclipse when the Moon is completely centered in front of the Sun’s disk — is a truly amazing sight, so much so that many people who have seen it once (a privileged group that doesn’t include me, sadly!) will travel across the globe in an effort witness…

Watch Today’s Total Eclipse Live

Today, tens of thousands of people are gathering in northeastern Australia to witness one of the most amazing and dramatic astronomical events known: a total solar eclipse. At 2:39 p.m. EDT (19:39 UT) the Moon will begin to pass in front of the Sun for viewers around Cairns, Australia, leading up to a brief period…

A Frightful Eclipse Seen From Mars

Yes, Mars gets eclipses too! This brief animation, made from ten raw subframe images acquired with Curiosity’s Mastcam show the silhouette of Mars’ moon Phobos (named after the Greek god of fear) as it slipped in front of the Sun’s limb on September 13 — aka the 37th “Sol” of the mission. The animation spans…

Soaring Over a Shadow: An Eclipse Seen From Space

The May 20 annular eclipse, seen by many around the world as a “ring of fire” in the sky, was also seen by the astronauts aboard the ISS — although they also got a great view of the shadow that the Moon cast on the Earth as well! This HD video, a time-lapse made from…