archives

Archive for

Wish upon two stars and double check you’re right

Corroboration and confirmation is the name of this game. Making the same measurement twice — using a different technique — is a powerful way not only to confirm the initial result, but also the method used. This paper confirms a recent detection of a binary system using light-travel time techniques. Continue reading

Advertisements

Biases in Astronomy: Is the M-sigma relation an upper limit?

The word “bias” shows up all the time in astronomy. What exactly does it mean? Also, how a recent study tackles the argument that the M-sigma relation may be biased. Continue reading

A new GRB-Supernova

SN 2009nz may be the sixth GRB-supernova ever confirmed spectroscopically. Continue reading

Announcing Gradhacker

Gradhacker is a new website with tips for graduate student life. Continue reading

Simulating Galaxies for Fun and Profit

Title: Galaxy Formation with Self-consistently Modeled Stars and Massive Black Holes. I: Feedback-regulated Star Formation and Black Hole Growth Authors: Ji-Hoon Kim, John H. Wise, Marcelo A. Alvarez, Tom Abel First Author’s Institution: Kavli Institute for Particle Astrophysics and Cosmology; Stanford University In previous astrobites posts, we’ve talked about how black holes eat gas and the relationship … Continue reading

Watching Dust Stick, Bounce, and Break — from 30,000 ft

Some astrophysicists must work in space – or as close as they can get – to accomplish their research. This paper discusses an experiment studying how dust can stick together and form planetesimals. Continue reading

Enter your email address to get email updates from Astrobites.

Join 115 other followers

Our sister site

Advertisements