Carolyn Collins Petersen

Solar Orbiter Captures the First Ever Image of a Magnetic Solar Switchback on the Sun

On March 25, 2022, the ESA/NASA Solar Orbiter spacecraft closed in on the Sun, getting ready to study it during…

2 years ago

Saturn Might Have Torn a Moon Apart to Make its Rings

Saturn is a world of surprises. The Voyager 1 and 2 flybys and later on, the Cassini mission, opened our…

2 years ago

Without Water and Life, Geology on Mars is Driven by the Wind

On Earth, we all know what changes our landscapes: water and wind erosion, tectonic activity, and volcanism. Today on Mars,…

2 years ago

The Webb Image you’ve Been Waiting For: the Orion Nebula

This is it, folks. Feast your eyes! It's what we've been training for—seeing the James Webb Space Telescope's first detailed…

2 years ago

Just 2,000 Years Ago, Betelgeuse Was Yellow, Not Red

Compared to the lifespan of stars, human lives are pretty short. Stars such as Betelgeuse (in Orion) live for millions…

2 years ago

What’s Being Done to Protect Astronauts From Radiation in Deep Space?

In 1982, author James Michener published his sprawling Space Race novel, Space. In it, he describes a fictional Apollo 18…

2 years ago

Yeast Will Fill in for Humans on Artemis I, Soaking up a Lunar Mission’s Worth of Radiation

When Artemis 1 finally takes flight (possibly this Saturday), twelve bags of baker's yeast will go along for the ride.…

2 years ago

Astronomers Find the Oldest Planetary Nebula

Planetary nebulae are short-lived "leftovers" of sun-like stars. Most of these "star ghosts" only last—at most—about 25,000 years. Usually, their…

2 years ago

A Merger Completely Shut Down Star Formation

What's the recipe for forming stars? Yep, lots of gas and dust. Galaxies rich in these materials get to make…

2 years ago

Problem Solved! Voyager 1 is no Longer Sending Home Garbled Data!

Earlier this year, the teams attached to the Voyager 1 mission noticed that the venerable spacecraft was sending weird readouts…

2 years ago