Beth Johnson – Medium

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Beth Johnson

Closer Look: It’s Volcano Time

While waiting for Iceland to (possibly) erupt, we take a closer look at Icelandic and global volcanism.

6 min readDec 9, 2023

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Several spread out groups of people in winter clothes stand and sit, watching the eruption of a cinder cone volcano in Iceland in 2021.

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Beth Johnson

A Planetary System With Six Sub-Neptunes Locked in Perfect Resonance

Scientists used data from NASA’s TESS and ESA’s Cheops to find and confirm the system, which orbits K0-type star HD110067.

3 min readDec 10, 2023

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A Planetary System With Six Sub-Neptunes Locked in Perfect Resonance

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Beth Johnson

“The Big One”: The Most Powerful Marsquake Ever Detected

A new paper explains how the largest recorded seismic event on Mars provided evidence for the release of stress within the Martian crust.

3 min readOct 26, 2023

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“The Big One”: The Most Powerful Marsquake Ever Detected

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Beth Johnson

Io Outburst Shines in Plasma Torus

Between September and December 2022, a small telescope in the Arizona desert observed a brightening of the plasma torus caused by Io’s…

4 min readJan 6, 2023

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Io Outburst Shines in Plasma Torus

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Beth Johnson

Radio Transmissions Seek to Measure Asteroid

An experiment conducted in Alaska used long-wavelength radio transmissions to hopefully map the mass distribution of a potentially…

4 min readJan 4, 2023

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Radio Transmissions Seek to Measure Asteroid

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Beth Johnson

Marshmallow Gas Giant Found at Red Dwarf Star

An exoplanet found orbiting a red dwarf star turns out to have the density of a marshmallow, surprising researchers who didn’t expect a…

3 min readNov 1, 2022

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Marshmallow Gas Giant Found at Red Dwarf Star

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Beth Johnson

Dealing with Potentially Hazardous Asteroids

A trio of asteroid stories: OSIRIS-REx’s sample of Bennu on schedule to return; researchers develop method to map asteroid density…

3 min readOct 27, 2022

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Dealing with Potentially Hazardous Asteroids

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Beth Johnson

Europa’s Eruptions Likely from Shallow Surface Lakes

Computer models find that eruptions seen on Europa are likely coming from shallow lakes embedded in the ice rather than the subsurface…

3 min readOct 25, 2022

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Europa’s Eruptions Likely from Shallow Surface Lakes

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Beth Johnson

Innovations in the Search for Life Beyond Earth

NASA JPL is developing a new suite of instruments to ingest and analyze liquid samples, and a team of scientists thinks that they can use…

3 min readOct 14, 2022

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Innovations in the Search for Life Beyond Earth

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Beth Johnson

Vredefort Crater Much Larger Than Originally Thought

New geological evidence finds that Vredefort crater in South Africa was originally 250–280 kilometers in diameter and formed by an object…

3 min readOct 12, 2022

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Vredefort Crater Much Larger Than Originally Thought

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Beth Johnson

Beth Johnson

Planetary scientist, podcast host. Communication specialist for SETI Institute and Planetary Science Institute. Buy me a coffee: https://ko-fi.com/planetarypan

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