Astrophysics

In 2007, Stephen Hawking experienced weightlessness on board a parabolic flight. “I have been wheelchair-bound for almost four decades and the chance to float free in zero g will be wonderful,” said Hawking before the flight. Image Credit: Zero Gravity Corp/NASA

Stephen Hawking dies aged 76

An image of CK Vul, the remnant of a collision between two stars. The event launched radioactive molecules into space, as seen in the orange structure at the centrer. Credit: ALMA (ESO/NAOJ/NRAO), T. Kamiński & M. Hajduk; Gemini, NOAO/AURA/NSF; NRAO/AUI/NSF, B. Saxton

Colliding stars eject radioactive molecules

Montage of quasars observed using the gravitational lensing method. Using this observational technique, scientists have been able to independently confirm the accuracy of a previous study searching for the rate of expansion of the Universe. Credit: ESA/Hubble, NASA, Suyu et al.

Universe measurement suggests ‘missing’ physics

Tom McLeish BW header

Inspired into science by Patrick Moore