361–380 of 2,476 results
Moon passing Mars, Pollus and Castor, April 25-26, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 21 – 30

The Moon hops past Venus and then Mars. Hydra snakes up, the Pointers point down, and the Arch of Spring spans the west.

Waning Moon under Saturn at dawn, April 14-16, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 14 – 23

Venus shines with Aldebaran and the Pleiades in late twilight. After sunset on the 20th, try to spot your record-breaking thinnest young Moon. And Leo walks west with a mouse-galaxy dangling from his chin.

totality with an iPhone13

Celestial Objects to Observe

How to Use Your Smartphone to Shoot a Solar Eclipse

Read this advice from expert eclipse-chasers before you use your smartphone to photograph a solar eclipse.

Celestial Objects to Observe

Eclipse Photographer’s Checklist

For those preparing to photograph a total solar eclipse, Fred Espenak shares his eclipse photography checklist.

March 2016 total solar eclipse

Celestial Objects to Observe

Images to Inspire: Solar Eclipse Pictures

We've gathered some of the best pictures of past solar eclipses, total and partial, from our online photo gallery to serve as inspiration for your eclipse photography

Venus near the Pleiades, Hyades, and Aldebaran, April 11, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 7 – 16

Venus in the western twilight guides the way down to Mercury. The Pleiades pass by Venus far in its background. And can you find the head of Hydra?

Elnath's position in Taurus constellation

Celestial Objects to Observe

Meet Elnath in the Horn of the Bull

Elnath, the bright, blue-white star that marks one of the horns of Taurus, is a peculiar star in its own right.

Mercury & Venus April 2023

Sky Tour Astronomy Podcast

April: Mercury & Venus at Their Best

This month’s episode offers an easy-to-follow guide to finding the solar system’s two innermost planets after sunset. And then it takes you on a guided tour of the rest of the key stars and planets that you’ll see on April evenings — a fun and informative way to introduce yourself to the nighttime sky!

Mercury below Venus in the western twilight, April 7, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 31 – April 8

Mercury emerges this week far below Venus at dusk, while Venus makes its way toward the Pleiades. Orion turns his belt horizontal for the warming weather.

Lunarisms locator

Solar System

Pleasures of Lunar Pareidolia

Do you still see animal shapes in clouds? If so, you'll enjoy doing the same with the Moon, home to the Moon Maiden, a giant pair of scissors, and other fantastic specters of light and shadow.

Moon passing Mars in Gemini, March 27-28, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 24 – April 2

The Winter Hexagon fills the west after dark. The waxing Moon steps east across the evening sky from Venus past the Pleiades, then past Mars.

The crescent Moon hops over Venus in twilight, March 23-24, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 17 – 26

The crescent Moon visits Venus. The Orange Triangle turns nearly equilateral. And as evening grows late, Arcturus begins to dominate the low northeast. It's turning spring.

C/2023 A3 orbit

Celestial Objects to Observe

Anticipating Comet Tsuchinshan-ATLAS (C/2023 A3)

Newly discovered Comet C/2023 A3 might reach naked-eye brightness when it flies past Earth in 2024. Check out our forecast of what to expect to see in the months ahead.

Big Dipper

Observing

Tell Time with the Big Dipper; See Ceres Transit a Spiral Galaxy

Phone battery dead? Learn how to tell time with the Big Dipper. Also, don't miss a remarkable transit of Ceres in front of the bright spiral galaxy M100.

Venus and Jupiter in the west at dusk, March 10, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 10 – 19

Venus and Jupiter widen in twilight. Mars, Aldebaran, and Betelgeuse form a triangle of similar orange sparkles. And there's lots to explore with optical aid off the trailing foot of Gemini, including the Toes.

Moon crossing Leo at nightfall, March 5-6, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 3 – 12

Venus and Jupiter draw majestically apart in the evening twilight, 1° farther each day. Much higher, Mars makes its third pass in the last five months between the horntip stars of Taurus.

Red aurora shines at the center to top with green aurora on the horizon line with dark trees and a snowy field at the bottom.

Celestial Objects to Observe

Aurora Season Is Underway

These are the nights to get ready for the auroras — and tonight may be your lucky night. Not only is the current solar cycle swiftly intensifying, March is one of the best times of the year to see the northern lights.

Winter Hexagon

Sky Tour Astronomy Podcast

March: The Winter Hexagon

As the Northern Hemisphere edges toward the March equinox and beyond, stargazers have an abundance of brilliant stars overhead as darkness falls. Anchoring the celestial parade is Orion, the Hunter. Download or listen to this month’s Sky Tour to learn about — and how to spot — the Winter Hexagon of big, beautiful winter stars.

Venus and Jupiter at conjunction, March 1, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, February 24 – March 5

Venus and Jupiter, the two brightest celestial objects after the Sun and the Moon, shine together in the western twilight before, during, and after their March 1st conjunction.

Stages of lunar eclipse arc over the Sydney Opera House

Stargazer's Corner: Adventures Under the Night Sky

Fortune Favors the Prepared Astrophotographer

An unexpected total lunar eclipse surprises an amateur astrophotographer.