New research looking to explain the “missing” portion of baryonic matter in the universe managed to locate the material lurking in intergalactic space as hot, low-density gas. Plus, supercontinents, Enceladus, and weird earthquakes.
A radio-loud magnetar first observed in March 2020 suffered an apparent identity crisis, behaving like a pulsar until gradually settling into magnetar-like emissions in July. Plus, Mars’ moon Phobos, Jupiter’s moon Ganymede, and an interview with SETI Institute scientist Veselin Kostov about last week’s sextuple star system.
Dark matter is only acted upon by the force of gravity according to new research, which constrains the potential range of mass for the elusive particles. Plus, how precipitation affects the Earth’s crust, a pair of ancient asteroid impacts in Germany, NASA’s Day of Remembrance, and this week’s What’s Up.
A data visualization designer has created an interactive graphic that allows us to explore all 50 gravitational wave events recorded to date, and some even have sounds! Plus, blue jet lightning and all the planetary science stories we can handle. Happy Friday!
Due to breaking news, our lead story is about the collapse of the Arecibo telescope platform and its dish. Plus magnetars, gamma-ray bursts, sunspots, asteroids, dark matter, and a Kickstarter to preserve an historic observatory in Japan.
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