Selections from 2020: No Hydrogen Ice for ‘Oumuamua
Could interstellar asteroid ‘Oumuamua be a speeding hydrogen iceberg?
Highlights RSS
Selections from 2020: Habitability of a Super-Earth
Not all habitable worlds are Earth-like! A recent study explored the potential habitability of a larger super-Earth.
Selections from 2020: A Twinkling Black Hole
Recent observations show Sgr A*, the supermassive black hole at the heart of the Milky Way, twinkling in radio light.
Selections from 2020: Alignment of the Solar System
The ecliptic plane may be where all the planets hang out, but there could be a second alignment plane within our solar system.
Selections from 2020: Expanding the Universe with GEODEs
The universe’s accelerating expansion might be driven by a sea of former stars that are now cores of dark energy.
Tying Stars and Galaxies Together
How are a galaxy’s stars related to its overall structure?
Can Computers Identify Holes in the Sun?
Want to be able to predict the flurries of high-energy particles that slam into Earth from the Sun? Then you’ll need to first track the holes in the Sun’s atmosphere.
Measuring the Curvature of the Universe with Cosmic Clocks
Astrobites reports on a unique tool for measuring the curvature of the universe: cosmic clocks.
Diving Into an Atmosphere in Ultraviolet
What’s going on around the hot Jupiter exoplanet HAT-P-41b? This planet’s atmosphere is harboring a mystery, recently revealed by observations that span infrared through ultraviolet light.
A Radio Flare from Colliding Stars?
A new study presents signs of what may be a decades-old merger of two neutron stars.
Nugget Galaxies Cross in the Sky
Seeing quadruple? Scientists have discovered two new Einstein crosses, rare phenomena in which a distant object appears as four identical copies.
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.