Passing Stars Shake Up Simulations of Earth’s Past Orbit and Climate
Stars passing within a few light-years of our solar system add an element of chaos to planetary orbits, limiting how far back we can study Earth’s past orbit.
Highlights RSS
Making Sense of Convoluted Images
Astrobites reports on using deconvolution methods to see hidden features in a JWST image of an active galactic nucleus.
Water-Ice Weathering in Permanently Shadowed Craters on the Moon
New research investigates how ice might alter lunar soil and create fine particles in permanently shadowed lunar craters.
How Important Are Initial Conditions in Models of the Solar Corona?
Researchers explore whether the choice of initial magnetic field impacts the outcome for models of the solar corona.
Even Dark Sky Sites Aren’t Immune to Light Pollution
Researchers quantified the impact of artificial lighting on sites across Chile for the first time, showing that we must actively preserve dark skies in remote areas and urban corridors alike.
Sloshing in the Universe’s Biggest Bathtub
Astrobites reports on the exciting goings-on around the sloshing center of the galaxy cluster Abell 2495.
Featured Image: How Close Is Too Close to a Kilonova?
How far do we need to be from a kilonova to be safe from the explosion’s X-rays, gamma rays, and cosmic rays?
What Kind of World is LHS 1140b?
One of the most popular planets is also maddeningly ambiguous: is LHS 1140b rocky, watery, or gaseous?
How to Peel a Star Apart with a Black Hole
You can take a star apart layer by layer — all you’ll need is a black hole and a set of precisely tuned orbital parameters.
Two Small Magellanic Clouds Are Better than One
Astrobites reports on the recent exciting discovery that the Small Magellanic Cloud is actually composed of two distinct star-forming systems.
Monthly Roundup: Supernovae in the Spotlight
Today’s post introduces four research articles that examine various aspects of supernova science, from attempts to determine how lightweight a supernova progenitor star can be to exploring why some massive stars don’t produce supernovae at all.
Using Ancient Ultraviolet Light to Probe Theories of Cosmology
Could measuring ultraviolet light from small galaxies in the early universe help researchers test the leading theory of cosmology?