Variable Stars
Longstanding Cepheid Mass Mystery Finally Solved
[/caption] Cepheid variable stars - a class of stars that vary in brightness over time - have long been used…
The Furor over FUORs
[/caption] In 1937, an ordinary 16th magnitude star in the constellation Orion began to brighten steadily. Thinking it was a…
Virtual Observatory Discovers New Cataclysmic Variable
[/caption]In my article two weeks ago, I discussed how data mining large surveys through online observatories would lead to new…
Unprecedented Eruption Catches Astronomers By Surprise
[/caption] An alert was raised March 11 when Japanese amateur astronomers announced what might have been the discovery of a…
High School Students Get Published in Astrophysics Journal
From the left: Klaus Beuermann (group leader), Jens Diese (back,teacher), and the high-school students Joshua Zachmann (front), Alexander-Maria Ploch (back),…
Betelgeuse
[/caption] Betelgeuse is the ninth brightest star in the sky, and the second brightest in the constellation of Orion (it's…
Help Solve the Mystery of Epsilon Aurigae with Citizen Sky
[/caption] We've written about Epsilon Aurigae before, but this mysterious star is just now beginning to dim, so we wanted…