Much of Earth’s Nitrogen Locally Sourced
Researchers looked at the isotopic signature of nitrogen in a variety of iron meteorites and found indications that our world has nitrogen that originated from both beyond Jupiter and from the inner parts of our solar system.
Tidal Influence Extends to Arctic Deep Seas
A team of researchers studying the release of methane from the Arctic seafloor discovered that our moon not only raises tides in the water but also flexes the Earth enough to influence the release of gases.
ISS Sensors Find Source of “Blue Jet” Lightning
Instruments on the International Space Station spotted a blue jet in February 2019, and the results were published this week in the journal Nature.
Titan’s Kraken Mare Estimated at 1000 Feet Deep
Cornell University scientists propose robotic submarine mission to Titan after discovering largest lake, Kraken Mare, is 1000 feet deep.
Mars Felt Like Iceland Once Upon a Time
Scientists found that ancient Mars, or at least the part of ancient Mars at the bottom of Gale crater, was geologically similar to modern Iceland.
Axion Search at Betelgeuse Comes Up Empty
Scientists are hunting for the elusive axion, and to do this, they used data taken by NASA’s NuSTAR telescope of one of our favorite stars, Betelgeuse.
Interactive Graphic Explores Gravitational Wave Events
To try to express the breadth of what they’ve seen, the LIGO and VIRGO collaborations partnered with data visualizer Nadieh Bremer to create an interactive infographic that puts gravitational wave events in context.
What’s Up: January 22-28, 2021
What’s Up: Orion is high in the sky, bringing views of its nebula as well as the neighboring Pleiades and Hyades clusters. Also, Mars!
Cold Quasar Defines New Stage in Galaxy Evolution
We look at a new family of galaxies called “cold quasars” where there is an active black hole emitting high energy X-rays as well as colder gas shining dimly in infrared light.
Massive Radio Galaxies Found With MeerKat Telescope
When it comes to finding massive galaxies with massive jets, the MeerKAT radio observatory in South Africa has the sensitivity to see things like never before.
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