Found: Dying Galaxies Containing Active Black Holes

Found: Dying Galaxies Containing Active Black Holes

Astronomers combined observations of far distant galaxies exhibiting no signs of star formation and found active supermassive black holes that may have contributed to the evolution of their parent galaxies. Plus, rocket launches, detecting earthquakes, and why Uranus and Neptune are different shades of blue.

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Pulsars as the Particle Accelerators of the Universe

Pulsars as the Particle Accelerators of the Universe

Fast, strong magnetic winds caused by quickly rotating pulsars may be accelerating particles like electrons to extremely high-energy states and creating gamma-ray photons in their wake. Plus, missions close to home, large and distant objects, some pretty Hubble photos, and laser simulations of fast radio bursts.

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Hubble Observations Make For a More Precise Hubble Constant

Hubble Observations Make For a More Precise Hubble Constant

Over the past three decades, astronomers around the world have been using the observations of the Hubble Space Telescope to more precisely calculate the expansion of the universe. And they have converged on a precision of just over 1%. Plus, Boeing launches Starliner, Voyager 1 struggles, and Erik reviews his favorite camera lens.

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Astronomers Map Interstellar Clouds in Three Dimensions

Astronomers Map Interstellar Clouds in Three Dimensions

A team of scientists combined stellar locations from the Gaia mission with dust and cloud maps from the WISE and 2MASS catalogs to create amazing three-dimensional images of the California Cloud and Orion A Cloud. Plus, rocket launches, the origin of carbon, and an interview with Dani DellaGiustina, principal investigator for the OSIRIS-APEX mission.

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