It wasn’t always here (Image: Jupe/Alamy)
Editorial: “The Genesis problem“
YOU could call them the worst birthday presents ever. At the – loftily titled “State of the Universe” – two bold proposals posed serious threats to our existing understanding of the cosmos.
One shows that a problematic object called a naked singularity is a lot more likely to exist than previously assumed (see “Naked black-hole hearts live in the fifth dimension“). The other suggests that the universe is not eternal, resurrecting the thorny question of how to kick-start the cosmos without the hand of a…
