Bruce McClure
Moon swings by the star Fomalhaut in late September 2020.

Moon and Fomalhaut in late September

These next several nights – September 28, 29 and 30 – 2020 – use the bright waxing gibbous moon to find the bright star Fomalhaut, the Autumn Star.

Spectacular Venus-Regulus conjunction in early October!

Brilliant Venus, in and of itself, is worth getting up for, but the tantalizingly close encounter of Venus with the bright star Regulus won’t happen again for another 8 years. Start watching them now!

When is the next Blue Moon?

According to folklore, the next Blue Moon will come on October 31, 2020. It’ll be called a Blue Moon because it’ll be the 2nd of 2 full moons in a single calendar month.

View of Mercury from the Southern Hemisphere.

Mercury in the west after sunset

Live in the Southern Hemisphere? Take advantage of your golden opportunity to view Mercury in the evening sky now. Live in the Northern Hemisphere? Give Mercury a try after sunset! You might see it.

Jupiter and Saturn, annotated. Jupiter is 13 times brighter than Saturn.

Before 2020 ends, a great conjunction of Jupiter and Saturn

The upcoming great conjunction of Jupiter and Saturn will be December 21, 2020. It’ll be their closest conjunction since 1623. But don’t wait. Start watching them now!

The moon goes by the planets Jupiter and Saturn in the September 2020 evening sky.

The moon, Jupiter and Saturn September 23 to 26

On September 23, 24, 25 and 26, 2020, the moon can guide your eye to the solar system’s 2 biggest gas giant planets, Jupiter and Saturn.

Equinox sun is over Earth’s equator

At an equinox, and for several days before and after, the midday sun is straight up at noon seen from Earth’s equator. At this equinox, the sun is crossing the celestial equator, moving from north to south.

Year’s fastest sunsets around equinoxes

We’re talking about the actual rate at which the sun sinks below the horizon. It’s faster around the equinoxes than at any other time.

Young moon low in the west after sunset.

Young moon after sunset September 18 to 21

After sunset these next several days – September 18, 19, 20 and 21, 2020 – watch for the waxing crescent moon’s return to the evening sky.

Are day and night equal at the equinox?

Equinox means “equal night.” And you might hear that day and night are equal at the equinoxes. Yet Earth’s atmosphere and our sun team up to give us more day than night at an equinox.