Galaxies: They Grow Up So Fast
Two recent papers try to understand how galaxies form from two different directions – by observing the Milky Way and by looking for galaxies forming in the early universe.
Fast Radio Bursts Found in Galaxy Arms
The Fast Radio Bursts (FRBs), which last seconds or even fractions of a second, aren’t associated with the bright star-forming regions of galaxies, where stars are young. This supports the theory that FRBs come from old dead stars.
Tardigrades Designed for High Impact Collisions
Researchers placed well-fed tardigrades into hollow nylon bullets and fired them into sand several meters away to determine if they could survive a crash landing.
Short Meteor Showers Showcase Long-Period Comets
Using nine-camera sets around the world, a team has now identified nine new meteor showers with high certainty and an additional six possible debris trails.
Moon vs Solar Activity: Astronauts Can’t Win
Our Sun’s magnetic field isn’t as stable as Earth’s, and it will go from having a magnetic field that aligns with Earth’s to one that is not or the reverse. Now, researchers have looked at how the orientation affected the severity of this activity.
What’s Up: The Ecliptic and a Total Lunar Eclipse
The plane of the ecliptic makes it simple to find the planets in our solar system, and it also provides some of the geometry for the total lunar eclipse on May 26.
Supernovae Leave Traces in Ocean Crust
Heavy elements like gold, uranium, and plutonium were thought to need a really violent event to be created, but new research provides evidence that a supernova might do.
Heavy Metal Vapors Found at Comets
Two new papers in Nature look at how heavy metal vapors, such as nickel and iron, have been found in the atmospheres of both solar system comets and interstellar visitor 2I/Borisov.
Finding Climate Data in Story and Myth
In the sixth century C.E., there was a sudden pattern of water miracles recorded in Italian texts. Evidence points to a temporary and dramatic change in rainfall that led to a variety of water-related disasters.
Deepest Places on Earth Now Defined
The Five Deeps Expedition has published new depth data that documents the deepest points of all five oceans, including the Mariana Trench.
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