Polaris, commonly known as the pole star, is situated near the North Celestial Pole and has been used for centuries for navigation. But Polaris hasn't always been the Pole Star and won't be in future. This is gradually changing over a 25 800 year cycle.
In this post I'm going to talk about a new 500 million dollar telescope, the Large Synoptic Survey Telescope (LSST), being built at Cerro Pachón in Chile, and the survey of the cosmos it will be undertaking over a 10 year period. Cerro Pachón is located in the foothills of the Andes at a latitude… Continue reading Surveying the Cosmos – Part I
In this post I will talk about the work of the International Dark-Sky Association (https://www.darksky.org/)and the visit I made a few years ago to the Kielder Observatory, which is in the Northumberland Dark Sky park in northern England. The International Dark-Sky Association (IDA) was founded in 1988 by David Crawford a professional astronomer, who spent… Continue reading Dark Sky Places
The Goldbach conjecture, posed in 1742, asserts that every even number greater than 2 can be expressed as the sum of two prime numbers. Despite exhaustive verification for even numbers up to four quadrillion, no proof exists for all even integers. A million-dollar prize for a solution remains unclaimed.
In 2019, the Science Geek blog was relaunched as Explaining Science, featuring a new name, logo, and domain. The blog continues to target a similar audience with accessible articles on astronomy and space. Additionally, a YouTube channel was launched in 2020, offering diverse video content under a Creative Commons license.
