"Although they are relatively simple objects, black holes raise some of the most complex questions about the nature of space and time, and ultimately of our existence," he said.
"In kasta oo marka si loo eego ay yihiin walxo yar yar, hadana godadka madoobi waxay carinayaan su'aalo adag oo la iska weydiiyo wakhtiga iyo meesha iyo ugu dambayn jiritaankeenna" ayuu yidhi.