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Venus in line with Pollux and Castor, Mars nearby; June 2, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, June 2 – 11

Venus shining in the dusk says goodbye to Pollux, hello to Mars. . . which is busy crossing the Beehive Cluster. Arcturus stands straight over Spica after dark, and Kochab stands straight over Polaris, it's that time of year.

Moonrise refraction


Find a Horizon and Savor the Bending of Light

The full Strawberry Moon on June 3rd invites us to experience the refractive power of Earth's atmosphere.

a black dot against a grey background with two white lines on either side

Astronomy and Society

NASA Panel Talks Unidentified Anomalous Phenomena

NASA has held its first public meeting with its panel investigating Unidentified Anomalous Phenomena. The panel will publish a full report in July.

Venus-Mars-Moon in June 2023

Sky Tour Astronomy Podcast

June: Solstice Nights & Summer Sights

June offers the shortest nights of the year for stargazers in the Northern Hemisphere. So count on our monthly Sky Tour podcast to help you get the most out your casual stargazing. It’s a fun and informative way to introduce yourself to the nighttime sky!

The center of a globular cluster with hundreds of thousands of stars colored red white and blue

Black Holes

Does This Star Cluster Host a Black Hole in Its Core?

The well-known star cluster Messier 4 might have an elusive, midsize black hole hidden at its center, but the evidence isn’t conclusive yet.

MBR mission

Spacecraft and Space Missions

United Arab Emirates Announces New Mission to the Asteroid Belt

An ambitious new mission from the United Arab Emirates would fly closely and speedily by seven main-belt asteroids.

Venus lines up with Pollux and Castor, June 2, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, May 26 – June 4

Venus starts the week under Pollux and Castor, then lines up with them. Nearby, Mars steps on the Beehive. In the south the Bootes kite flies high.

Disk galaxy that's brighter at its rim


Red Galaxies at Night, Astronomers' Delight: A Look at the “Hubble-Dark” Universe

JWST images of early galaxies have turned up a population of flat, red disks that may have been entirely missed by previous surveys.

Solar System

The Sun Gets Its Close-up: Images from New Solar Telescope

The Daniel K. Inouye Solar Telescope shows some stunning detail on the Sun, including sunspots, fibrils, granules, and other solar textures.

Small white dwarf at left pulls gas in a spiral pattern from a larger star at right

Stellar Science

Radio Waves Unveil Supernova Origin

Astronomers have observed an unusual supernova, in which a helium star fed a white dwarf until it exploded.

Supernova 2023ixf in M101

Explore the Night with Bob King

Bright Supernova Blazes in M101, the Pinwheel Galaxy

A supergiant star exploded as a supernova in the prominent galaxy M101 in Ursa Major. It's now bright enough to see in a 4.5-inch telescope!

Supernova Refsdal in widefield image of galaxies


Replay of Star’s Death Sheds Light on Universe’s Expansion

A cosmic lens magnified the light of an exploding star. Now, astronomers are using observations of that supernova to calculate the universe’s current rate of expansion.

Moon passing Venus, Mars, and Gemini at dusk, May 22-24, 2023

Celestial News & Events

This Week's Sky at a Glance, May 19 – 28

As Venus and Mars move toward each other in the western dusk, Venus brightens and Mars shrinks — just like they always do. This week the waxing Moon hops over both.


“Rogue Black Hole” Could Be Something Much Simpler

An unusual streak of stars thought to have formed in the wake of a wandering supermassive black hole might just be a spiral galaxy seen edge-on.

bands of red rocks on a red planet

Spacecraft and Space Missions

New Photos from NASA's Perseverance and Juno

NASA spacecraft are constantly sending back images from across the solar system. Here are two that caught our eye.

Jupiter-Moon occultation

Celestial News & Events

See the Moon-Jupiter Trifecta: Conjunction, Occultation, and Double-Shadow Transit

The May 17th dawn pairing of Jupiter and the Moon may be one of the most amazing conjunctions you'll ever see.

The Milky Way soars over the Grand Canyon

People, Places, and Events

The Grand Canyon Star Party

Get ready for the Grand Canyon Star Party on June 10–17, 2023.

End of journey for NJ meteorite

Solar System

Scientists Confirm: Meteorite Crashed Into New Jersey Home

A rock that crashed through the roof of a house in New Jersey proved to be the real thing — a chunk spalled from a 4.5 billion-year-old asteroid.

Faint, fuzzy dots among galaxies speckled on a black field


The James Webb Space Telescope May Have Spotted a Baby Galaxy Merger

New JWST images reveal that one of the most distant objects ever observed is actually two baby galaxies on a possible collision course.


Mini-Neptune Reveals (Some of) Its Secrets

James Webb Space Telescope observations offer a new window inside the atmosphere of the secretive sub-Neptune GJ 1214b.

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