Digest Template: Category

Home

/

Neptune at opposition to the sun this weekend

Neptune at opposition - when it's 180 degrees from the sun on the sky's dome - comes early on September 21, 2024. You'll need optical aid to spot it.

Editors of EarthSky

September 20, 2024

Are day and night equal on the equinox?

Are day and night equal at an equinox? No. Earth's atmosphere and our sun team up to give us more day than night during an equinox.

Bruce McClure

September 20, 2024

Equinox sun above horizon all day at the poles

We know the equinox sun rises due east and sets due west. But what happens at Earth's poles? Does the sun look exactly the same at both poles?

Theresa Wiegert

September 19, 2024

Year’s fastest sunsets happen around equinoxes

The year's fastest sunsets are at the equinoxes, and the slowest are at the solstices. We're talking about how long it takes the sun to sink below the horizon.

Bruce McClure

September 19, 2024

Our top 10 stargazing tips for beginning astronomers

If you're new to observing the night sky, check out our top 10 stargazing tips for beginners. We'll help you explore and expand your love for astronomy.

Deborah Byrd

September 18, 2024

Partial lunar eclipse September 17-18, 2024

A shallow partial lunar eclipse takes place on September 17-18, 2024. It's visible in most of the Western Hemisphere. Maps and details here.

Marcy Curran

September 17, 2024

2nd eclipse season of 2024 starts September 17-18

There are many cycles in the heavens. We're coming up to a noticeable cycle, the 2nd eclipse season this year. It starts with a partial lunar eclipse.

Bruce McClure

Editors of EarthSky

September 17, 2024

International Observe the Moon Night September 14

International Observe the Moon Night is September 14, 2024. It's a global event for celebrating the moon. Here's how you can participate online or in person.

EarthSky Voices

September 13, 2024