eclipse

 

Birds During a Total Solar Eclipse

What do birds do during a total solar eclipse?

8 Minute and 30 Second Eclipse

The total phase of the July 2nd solar eclipse lasted about 4 minutes and 30 seconds at the point of maximum eclipse.

La Silla Eclipse Sequence

The road to the high mountaintop La Silla Observatory in the Chilean Atacama Desert also led to totality in the path of July 2nd's total solar eclipse.

In the Shadow of the Moon

On July 2 denizens of planet Earth could stand in the Moon's dark umbral shadow during South America's 2019 total solar eclipse.

The Big Corona

Most photographs don't adequately portray the magnificence of the Sun's corona.

Noctilucent Clouds, Reflections, and Silhouettes

Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground.

Anticrepuscular Rays Converge Opposite the Sun

Is there ever anything interesting to see in the direction opposite the Sun?

A Triangular Shadow of a Large Volcano

Why does the shadow of this volcano look like a triangle?

Astronomy Picture of the Day: Lunar Eclipse over Cologne Cathedral

Why would a bright full Moon suddenly become dark? Because it entered the shadow of the Earth.

Astronomy Picture of the Day: Mars in the Loop

This composite of images spaced some 5 to 9 days apart, from late April (bottom right) through November 5 (top left), traces the retrograde motion of ruddy-colored Mars through planet Earth's night sky.

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