How Many Years Does it Take to Get to the Center of a Supernova Remnant?
After more than 30 years, have astronomers finally discovered what the compact object at the center of Supernova 1987A is? Astrobites reports.
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Mind the Gap! Investigating a Potential Cause of the Exoplanet Radius Valley
Exoplanets with radii between 1.5 and 2 Earth radii are scarce! Astrobites reports on whether known planets’ environments might contribute to this radius valley.
Jellyfish Galaxies Swimming Through Clusters
How can a cluster turn an ordinary galaxy into a mysterious, trailing creature? Astrobites reports.
Finding Fire-Breathing Dragons in the Milky Way
Though dark matter subhalos are invisible and hard to detect, astronomers have used stellar streams to make an attempt. Astrobites reports.
Shift-Stacking the Night Away
Astrobites reports on a clever technique to combine TESS full-frame images in the search for Planet Nine.
Hunting in Total Darkness: The Search for Dust-Obscured Galaxies at Cosmic Dawn
We know that we don’t know everything about the first galaxies. Astrobites reports on a further deepening of the mystery with new radio observations.
The Eyes of GAIA: Peering Into Our Galaxy’s Variable Nature
Gaia’s second data release catalogs more than 1.7 billion stars in our galaxy. But how many of these are variable? Astrobites reports.
Measuring the Curvature of the Universe with Cosmic Clocks
Astrobites reports on a unique tool for measuring the curvature of the universe: cosmic clocks.
Warning: Too Much Radiogenic Heat Could Hurt Exoplanet Habitability
Astrobites reports on how radioactive isotopes help to warm up rocky planets — and when that means too much of a good thing.
Solar Wind Takes Up Mercury’s Mantle
Mercury is the smallest planet but has the largest core relative to its size. Astrobites reports on whether the solar wind is to blame.