1. ALMA Discovers Comet Factory


    from ALMA Observatory Added

    The detection of this "dust trap" solves a long-standing mystery: how dust particles around stars sum up to form planets, comets, and other rocky bodies. This video goes deep into the dust…

    + More details
    • Computer simulation of dust trap formation


      from ALMA Observatory Added

      This computer simulation shows how a vortex can form when a massive planet is interacting with a disc around a young star. It shows how the gas density evolves when there is a planet, with a mass…

      + More details
      • Dust trap animation


        from ESO Observatory Added 801 6 0

        This artist’s rendering shows the behaviour of different sized particles in the disc of dust that surrounds Oph-IRS 48 system. The bigger particles, millimetres in diameter, tend to clump together…

        + More details

        What are Tags?


        Tags are keywords that describe videos. For example, a video of your Hawaiian vacation might be tagged with "Hawaii," "beach," "surfing," and "sunburn."