Hexagonal Diamonds Came From Dwarf Planet
Rare hexagonal diamonds found in ureilite meteorites and recreated in a lab likely were formed during the catastrophic collision of a dwarf planet with another body.
How to Build a Supervolcano in Just 4 Million Years
Using argon-argon analysis on tiny crystals, researchers have created a timeline for the build up and eruption of a series of four supervolcanoes.
This Week in Space History: Famous Space Speeches
This week in space history we take a look back at some of the more famous speeches given with regards to the U.S.’s presence in outer space.
‘Planetary Heists’ Steal Gas Giants From Young Systems
In young, close-together stellar nurseries, Jupiter-sized planets can be stolen by the gravitational disruption of the more massive stars in the region.
Water Worlds May Hide Water Underground
Combining two measurements taken for each of 43 exoplanets, scientists found the densities lower than expected, suggesting the presence of subsurface liquid.
Martian Glaciers Moved Very, Very Slowly
Previously, scientists suspected that martian glaciers didn’t flow the way Earth glaciers did, and now they seem to have moved much more slowly due to lower gravity.
Stars Caught Spiraling in Small Magellanic Cloud
Researchers studied how stars form in the outskirts of a massive cluster in the Small Magellanic Cloud and then spiral in toward the center of the cluster.
The Bar at the Center of the Galaxy was Built by Thirsty Star Formation
New models indicate that the rapid flow of gas along the two bars at the center of the Milky Way drove star formation in the galaxy’s center.
Galaxies, Including the Milky Way, Form Stars From the Center Out
Using images from the Very Large Telescope to map out three million stars in the Milky Way, researchers found stellar ages were a function of distance from the core.
What’s Up: The Moon, Ice Giants, and More!
This week in What’s Up is a grab bag of events including Neptune at opposition, several close planetary conjunctions, and the return of zodiacal light.
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