NASA Logo, National Aeronautics and Space Administration
Jansky Very Large Array

Thirty Years of Space VLBI

  • By Koji Mukai
  • July 25, 2016
  • Comments Off on Thirty Years of Space VLBI

As I write this in July 2016, it has been 30 years since the first successful space very long baseline interferometry (VLBI) observations were made. VLBI is the radio astronomy technique to use widely separated radio dishes to produce exquisite images of celestial radio sources – and space VLBI allows … Continue Reading →


An "X-ray Astronomer" Among Radio Telescopes

An “X-ray Astronomer” Among Radio Telescopes

To me, an observational astronomer, there is no such thing as X-ray astronomy. What I do is astronomical research on objects that happen to emit X-rays, as well as ultraviolet, visible, and infrared, etc. light. My research interest is not X-rays, but astronomical objects called cataclysmic variables and symbiotic stars … Continue Reading →


Be a scientist!

Be a scientist!

In one of last week’s contests, we asked our readers/followers/listeners (whatever you guys are – we love you!) to tell us about the things they’d like to see covered here on Blueshift.  And we got tons of interesting ideas that’ll fuel a bunch of our weekly brainstorming sessions!  One of … Continue Reading →


Podcast: Confounding Cosmic Questions

Why?

Today’s episode focuses on a surprising result found by a NASA balloon-borne experiment. We chose this story because it highlights the excitement and uncertainty in any scientific experiment – you never know what you’ll find. Will your data support your predictions, contradict them, or point you in an entirely new … Continue Reading →


Podcast: Confounding Cosmic Questions

Podcast: Confounding Cosmic Questions

  • By Sara Mitchell
  • January 29, 2009
  • Comments Off on Podcast: Confounding Cosmic Questions

Click to listen! (7MB MP3, right-click to save) Transcript (Text, PDF) This episode features a strange signal from deep space, which could be a plot straight out of a Hollywood film. But this radio signal was detected by a NASA mission called ARCADE, which flew above the atmosphere suspected from a balloon … Continue Reading →


NASA Logo, National Aeronautics and Space Administration
Goddard