MUSE is an amazing instrument. It basically gives is spectral information on a scale that we're used to seeing just for regular imaging. It's the next generation of IFU spectroscopy that produces so much data per image you need an unprecedented amount of computer power just to reduce the images. Just take a look at… » 2/27/15 10:28am Friday 10:28am

Astronomers do this all the time: along with the mentioned above quasar which comes from quasi-stellar radio source, which now just means quasi-stellar object because not all of them are strong in the radio bands, similarly nova means new star, but it's not actually a new star. In fact, astronomers are some of the… » 4/18/14 9:09am 4/18/14 9:09am