Why Is Mercury So Far from the Sun?
Why is Mercury’s orbit so large, compared to the close-in orbits of the planets observed in many exoplanetary systems? Astrobites reports on a recent study seeking to answer this question.
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Investigating Local Galaxies to Learn about Distant Ones
Astrobites reports on a study of nearby galaxies that mimic the properties of those found in the distant universe.
White Dwarf Surprise — Again!
Astrobites reports on a Kepler spacecraft finding: two new white dwarfs that are “outbursting” — suddenly brightening every few days before quieting down again.
Mass Loss in Dying Stars
By the time a star becomes a white dwarf, much of its mass will have been lost. When does this mass loss occur and what drives it?