Many of you will have seen the images back in 2019 which showed long ‘trains’ composed of up to sixty SpaceX Starlink satellites crossing the sky in a straight line. These pictures hit t...
https://explainingscience.org/2022/03/23/effects-of-large-satellite-constellations-on-astronomy/
2021 will be an interesting year for human space flight. Not only is it the sixtieth anniversary of Yuri Gagarin’s historic first manned spaceflight, but it will be the first time that a privat...
https://explainingscience.org/2021/01/01/human-spaceflight-in-2021/
In a previous post I talked about the Large Synoptic Survey Telescope (LSST), a large telescope being built in Chile which will spend 90% of its time surveying most of the sky a total of 1000...
https://explainingscience.org/2020/08/10/surveying-the-cosmos-part-ii/
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 wil...
https://explainingscience.org/2020/07/03/surveying-the-cosmos-part-i/
Update 16 March 2022- click on the image below to view a video of much of the information in this post Many of you will have seenthe pictures in 2019 showing long ‘trains’ composed of as m...
https://explainingscience.org/2020/01/29/spacex-starlink-satellites/