Updated 14 December 2025 In 1967, a 24-year-old student from Cambridge University, Jocelyn Bell, was doing the research for her PhD. She was using a radio telescope to study radio waves emitted from compact astronomical objects known as quasars, and when she analysed the data she had collected, she noticed a signal which appeared to… Continue reading The discovery of pulsars 1967
Tag: Pioneer
An idea for Christmas from Explaining Science
Revised 12 December 2025 Now that Christmas is nearly upon us, if you've not done so already why not treat yourself to an e-book from Explaining Science. If you'd like to know more about popular astronomy , I've written three e-books which are available in the Amazon Kindle store at a nominal cost. By… Continue reading An idea for Christmas from Explaining Science
Mission Juno
On 4 July 2016 the NASA spacecraft Juno will arrive at Jupiter after a 5 year journey. It will be the ninth space probe to visit the planet. The first was Pioneer 10, which flew past in December 1973, (see notes). Juno will go into an orbit around the planet which will take it close to its poles.… Continue reading Mission Juno
A Christmas gift from The Science Geek
Christmas is almost upon us. Give yourself an early Christmas present, without it costing you a penny, by downloading my e-books for free during the first five days of December! "Is Anyone Out There?" is about the likelihood of there being extraterrestrial intelligent life. It is based on a number of posts from my blog. For readers based… Continue reading A Christmas gift from The Science Geek
Is There Anyone Out There? updated post
Thank you to everyone who has downloaded my books. One recent commenter pointed out that the links in the post point to the Amazon UK website and it was unclear how someone based outside the UK would download the books. I have therefore updated the post to make it easier for readers outside the UK to… Continue reading Is There Anyone Out There? updated post
Explaining Science 