2024, comet, comet c/2023 a3, constellations, eta aquarid meteors, geminid meteors, meteor, orion, scorpius, souther sky

Are We About to See the Rare Green Comet Nishimura Light Up the Sky?

Of all the objects in the Solar System, perhaps the most spectacular are the great comets that occasionally grace our skies. If you’ve been on social media in the past few days, you’ve probably seen articles proclaiming we have such a comet in our skies right now: C/2023 P1 (Nishimura). As I write this, comet ...

Troy Oakes

This is an image of the comet known as C/2023 P1 (Nishimura).

4 Billion-Year-Old Comet From Early Solar System Headed Our way

An enormous comet — approximately 80 miles across, more than twice the width of Rhode Island — is heading our way at 22,000 miles per hour from the edge of the solar system. Fortunately, it will never get closer than 1 billion miles from the Sun, which is slightly farther from Earth than Saturn; that will be in 2031. ...

Troy Oakes

Comet C/2014 UN271.

Mystery of the Atacama Desert Glass

Can you imagine glass found in a desert? For centuries, locals and tourists have wondered how glass chunks were created in regions of the Atacama Desert. A new theory is that the glassy stretches were created by a comet that exploded in the region around 12,000 years ago. The airburst over the Atacama Desert theory ...

Science Unmasked

Mystery of the Atacama Desert glass.

How Was the Atacama Desert Melted to Glass 12,000 Years Ago?

In certain parts of the world, you will come across artifacts and remains of monuments and relics that may leave you awestruck. One such example is a section of the Atacama Desert. In this stretch, viewers get amazed by the presence of twisted chunks of glass. For centuries, the locals and tourists have wondered how ...

Jack Roberts

A section of the Atacama desert in Chile with red rock.

How to See Comet Leonard, According to the Researcher Who Discovered It

Now is the best time to get a glimpse of Comet C/2021 A1, better known as Comet Leonard. It’s named for its discoverer, Gregory Leonard, a senior research specialist at the University of Arizona Lunar and Planetary Laboratory. Every night with clear skies, astronomers with LPL’s Catalina Sky Survey scan the sky for near-Earth asteroids ...

Troy Oakes

Comet Leonard.

New Study Shows Largest Comet Ever Observed Was Active at Near-Record Distance

A new study by University of Maryland astronomers shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor known as a coma. Only one active comet has been observed farther from the sun, and ...

Troy Oakes

Artist's rendition of the Bernardinelli-Bernstein (BB) comet.

Interstellar Comets Like Borisov May Not Be All That Rare

In 2019, astronomers spotted something incredible in our backyard: a rogue comet from another star system. Named Borisov, the icy snowball traveled 110,000 miles per hour and marked the first and only interstellar comet ever detected by humans. But what if these interstellar visitors — comets, meteors, asteroids, and other debris from beyond our solar ...

Troy Oakes

A comet in the night sky.

Activity on Largest Comet Ever Found

A newly discovered visitor to the outer edges of our Solar System has been shown to be the largest comet ever, thanks to the rapid response telescopes of Las Cumbres Observatory. The object, which is named Comet C/2014 UN271 Bernardinelli-Bernstein after its two discoverers, was first announced on Saturday, June 19, 2021. C/2014 UN271 was ...

Troy Oakes

World's largest comet heading Earthward.