Category: Astronomy

  • Galactic Fireworks

    Cartwheel Galaxy composite as put together by Cal Tech

    The Cartwheel Galaxy is a spectacular galaxy. It was recently (in astronomic terms–something like 100 million years ago) run over and penetrated by a smaller galaxy which set off a round of star formation. For all the details from CalTech about the galaxy and how the put the image together, click on the thumbnail.