Magazine

Stars

Why do neutron stars have magnetism? Is the magnetism of a neutron star the same as a Child’s toy magnet? If a neutron star emits photons, where would they come from, and would they not experience the Zeeman effect? Why are neutron stars called stars?

Exotic Objects, Stars

How many solar masses must a star be to end up a black hole (before normal mass loss during its life)?

Cosmology, Galaxies

Do blueshifted galaxies contradict the expansion of the universe?

Galaxies

Do all spiral galaxies rotate in the same direction, and how can I tell the rotation from a photo?

Astrophotography, Observing

Weatherproof paper

Observing

A gem of a shower

Alien Life

5 Questions with David J. Eicher: Episode 12 – Jill Tarter

Exotic Objects

Has a meteorite ever been found that is suspected to have come from a solar system other than our own? How would we recognize such a meteorite?

Observing

Love affair with a saros

Science

Entropy redux

Observing

A fishy tale in the fall sky

Observing, Planets

Venus meets Jupiter