Tvashtar is a volcano on Io, one of Jupiter's moons. Earlier this year as the New Horizon NASA probe flew by Jupiter it shot five frames of the volcano errupting, which can be seen here:
Tvashtar in Motion
I have been writing about web technology and software development since 2001. I am the developer of the Alpha Framework for PHP. I love open source, technology, and economics. You can follow updates from this blog on Twitter.