ESO Announcements 31 Jan 2020, 15:00 UTC ESO’s Extremely Large Telescope (ELT), the world’s biggest eye on the sky, will have a pioneering five-mirror optical system that will allow it to unveil the Universe in unprecedented detail. The tertiary mirror in this system, M3, has completed a key production stage and has now been delivered to French company Safran Reosc for final polishing.
Universe Today 30 Jan 2020, 21:06 UTC Put “James Webb Telescope launch” into your search engine and you’ll be flooded with links, some reaching back to the ‘scope’s first proposed launch date in 2010. The delayed launch of the space telescope is a running theme in the space community, even though we all know it’s going to be worth the wait. So nobody will be surprised by this latest development in the story of the world’s most anticipated telescope.
New Scientist 30 Jan 2020, 19:00 UTC A pair of distant stars have a weird wobble to their orbits, which is probably caused by a strange effect predicted by Einstein’s theory of general relativity. This tumbling motion tells us that they formed in a very unusual way.
Astronomy Now 30 Jan 2020, 14:35 UTC In 1999, the Parkes Radio Telescope in Australia discovered a binary system made up of a fast-spinning white dwarf and a pulsar, a rapidly rotating neutron star created in a supernova blast. The pulsar – PSR J1141-6545 – completes one orbit every 4.8 hours at a velocity of nearly 1 million kilometres per hour (620,000 mph).
Scientific American 29 Jan 2020, 16:15 UTC Thankfully, the probability of a collision is just 0.1 percent