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Explore the Night with Bob King

Make the Most of Comet ATLAS

Bright comets will be scarce this year, but you can see one of the better ones this month as it races from Aquila to Canes Venatici. In other news, a new, bright nova has flared in Sagittarius.

Europa eclipses then occults Io

Celestial News & Events

Mutual Event Season Heats Up at Jupiter

Jupiter is usually the one occulting and eclipsing the Galilean moons, but this observing season the moons also eclipse and occult one another.

Theia Impact

Solar System

Bits of Theia Might Be in Earth's Mantle

A "smoking gun" for the ancient calamity that formed Earth’s large Moon may still exist deep in the mantle of our planet.

polarized emission around black hole

Black Holes

Astronomers Detect Strong Magnetic Fields Around M87’s Black Hole

Event Horizon Telescope data support the idea that magnetic fields control how black holes feed and grow.

Ingenuity

Spacecraft and Space Missions

Ingenuity Mars Helicopter Set for Historic Flight

NASA is getting ready to deploy Ingenuity, the first helicopter mission to take to alien skies.

Deep image of V1405 Cas nova

Explore the Night with Bob King

Bright Nova Erupts in Cassiopeia

A new nova in Cassiopeia, discovered on March 18th, is bright enough to see in a small telescope.

NGC 3190 group / Hickson 44

Asteroids

Exploring Bright Galaxy Groups in Leo

Leo, the Lion, stands high in the southern sky during the early spring. We visit some of the constellation's brighter galaxy clumps then go asteroid hunting.

image brightness change example

Imaging Foundations with Richard Wright

How Focal Ratio Affects Your Astro Images

Understand focal ratio to improve your astrophotography.

Perseverance

Spacecraft and Space Missions

Perseverance's Fortnight of Firsts on Mars

NASA's Perseverance rover sends back postcards aplenty following its arrival on Mars as it prepares to explore Jezero Crater.

Battered Vesta

Celestial News & Events

March — A Good Time to Visit Vesta

Dip into this easy guide to seeing the brightest asteroid, Vesta, and understanding what makes it unique.

Perseverance

Astronomy in Space with David Dickinson

Watch NASA's Perseverance Land in Jezero Crater on Mars

NASA’s Perseverance rover is providing us with amazing views of its new home., including an amazing video of the sky-crane descent.

IC 418 planetary nebula

Deep Sky

A Deep-sky Hippity-hop through Lepus, the Hare

Snare a dozen bright double stars and deep-sky objects in the celestial Hare the next clear night. We also provide details on how to watch the potentially hazardous asteroid Apophis occult a star the night of February 21st.

Luminance image of M81 and M82

Astrophotography: Tips & Techniques

Tips for Imaging Galaxies from Your Backyard

You don't need a dark-sky location to shoot galaxies — you can capture them from your backyard with these tips.

Perseverance

Astronomy in Space with David Dickinson

A Timeline for NASA’s Perseverance Landing on Mars

NASA’s Perseverance rover is set to land on Mars tomorrow in a complex but well-tested procedure — its very own "seven minutes of terror."

Tianwen-1

Spacecraft and Space Missions

China's Tianwen 1 Arrives at Mars

China’s ambitious mission to Mars, Tianwen 1, has arrived at the Red Planet and will attempt to land a rover on the surface in May.

Mars Hope

Spacecraft and Space Missions

The United Arab Emirates' Hope Enters Orbit Around Mars

The United Arab Emirates Hope orbiter is the first in a series of spacecraft arriving at the Red Planet in the next week.

Daytime planet fest

Explore the Night with Bob King

Planets and Comets Can't Hide from SOHO's Eye

With the help of the Solar Heliospheric Observatory you can not only keep track of the planets in the daytime sky but maybe even discover a comet.

Apollo 15 site

Astronomy in Space with David Dickinson

Green Bank Tests New Planetary Radar

A newly installed planetary radar system on the Green Bank Radio Telescope will probe the solar system in detail.

Comet 67P/Churyumov-Gerasimenko

Night Sky Sights

Comet Watch 2021

If you own an 8-inch or larger telescope you might see more than a dozen new and returning comets this year, including one potential naked-eye candidate.

Imaging Foundations with Richard Wright

In Astrophotography, Bigger Is Not Always Better!

Don't be intimidated by astrophotography equipment — modest equipment can do great things.

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