What’s a Blood Moon?

The upcoming total lunar eclipse on the night of January 20-21 is being called a Blood Moon eclipse. Why? Here’s the reason.

What is the zodiac?

Maybe you associate the word ‘zodiac’ with astrology, but it has an honored place in astronomy, too. It’s defined by the annual path of the sun across our sky.

Sun in zodiac constellations, 2019

Sun-entry dates to zodiac constellations in 2019, using boundaries for constellations set by the International Astronomical Union in the 1930s.

Lengths of lunar months in 2019

The longest lunar month in 2019 starts with the new moon on January 6, and concludes with the new moon on February 4. Its duration will be 29 days 19 hours and 35 minutes.

Dates of solar and lunar eclipses in 2019

Dates of all solar and lunar eclipses this year. Is there one you can see?

Top 7 tips for safe solar eclipse viewing

Safe – and unsafe – solar eclipse viewing methods. Order your eclipse glasses now!

Are December’s solstice and January’s perihelion related?

December solstice 2018 was December 21. Earth was closest to the sun for 2019 on January 2-3. Coincidence?

The moon Venus rising over Whitehaven NW England on January 2, 2019. Photo by Adrian Strand.

See it! Moon and Venus at sunrise

Not to be missed! A beautiful combo to ring in the new year. Photos here from the EarthSky community.

Amazing photo of a meteor streaking right in front of Venus

EarthSky’s 2019 meteor shower guide

All you need to know about major meteor showers in 2019.

January guide to the bright planets

In January 2019, the 2 bright planets up before the sun are Venus (brighter) and Jupiter! Mars is the sole bright evening planet. Mercury fades from view as a morning planet in early January. Saturn becomes visible before sunup near the month’s end.