RT @cosmos4u: Ten years ago #OTD the Deep Impact impactor hit – and I ran my first-ever live-blog of a space event, hand-coded: astro.uni-bonn.de/~dfischer/stor…
RT @cosmos4u: Ten years ago #OTD the Deep Impact impactor hit – and I ran my first-ever live-blog of a space event, hand-coded: astro.uni-bonn.de/~dfischer/stor…