Posts by

Bruce McClure

Jupiter’s equinox and mutual events of its 4 major moons

The king planet Jupiter reaches its equinox on May 2, 2021, an event that always causes mutual events of Jupiter's 4 major moons. It's an eclipse season of the moons.

Bruce McClure

March 31, 2021

See the zodiacal light

With the moon waning, those in the Northern Hemisphere might glimpse the mysterious zodiacal light in the west after true darkness falls. Southern Hemisphere? Look east before dawn.

Bruce McClure

March 30, 2021

First full moon of the season on March 28

The whole globe enjoys a full-looking moon on March 27 and 28, 2021. No matter where you live worldwide, watch for the first full moon of the season to shine from dusk until dawn.

Bruce McClure

March 27, 2021

Moon passes Regulus on March 25

These next few days - March 25 and 26, 2021 - watch for the moon to travel in front of the constellation Leo the Lion, past the bright star Regulus, the Lion's Heart.

Bruce McClure

March 25, 2021

Moon and Cancer on March 23 and 24

These next few nights - March 23 and 24, 2021 - the bright waxing gibbous moon puts the constellation Cancer in the spotlight, but out of view.

Bruce McClure

March 23, 2021

Is March’s full moon a supermoon?

The full moon on March 28, 2021, ranks as the 4th-closest (and therefore 4th-largest and 4th-brightest) of the 12 full moons of 2021. Is it a supermoon? Here's why experts disagree.

Bruce McClure

March 23, 2021

Fastest sunsets happen near the equinoxes

We're talking about the amount of time needed for the body of the sun to sink below the horizon. It's true. The sun actually sets faster around the time of an equinox.

Bruce McClure

March 19, 2021

Moon and Mars in Taurus March 18, 19 and 20

Let the moon introduce you to the constellation Taurus the Bull on the nights of March 18, 19 and 20, 2021!

Bruce McClure

March 18, 2021

Young moon after sunset March 14-17, 2021

These next several days - March 14-17, 2021 - look westward after sunset to get an eyeful of the young, slender waxing crescent moon adorning the evening twilight.

Bruce McClure

March 14, 2021

Will you see the moon and planets at dawn March 8 to 10?

In the predawn/dawn sky on March 8, 9 and 10, 2021, let the old moon serve as your guide to the three morning planets: Mercury, Jupiter and Saturn.

Bruce McClure

March 7, 2021

Bruce McClure

Bruce McClure served as lead writer for EarthSky's popular Tonight pages from 2004 to 2021, when he opted for a much-deserved retirement. He's a sundial aficionado, whose love for the heavens has taken him to Lake Titicaca in Bolivia and sailing in the North Atlantic, where he earned his celestial navigation certificate through the School of Ocean Sailing and Navigation. He also wrote and hosted public astronomy programs and planetarium programs in and around his home in upstate New York.