Surveying the Cosmos – Part II

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 times over a 10 year period (in the remaining 10% it will revisit areas of specific interest).  In this… Continue reading Surveying the Cosmos – Part II

Surveying the Cosmos – Part I

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

SpaceX Starlink Satellites

Many of you will have seen the pictures last year showing long ‘trains’ composed of as many as sixty SpaceX Starlink satellites crossing the sky. A 'train' of SpaceX Starlink satellites just after their launch. In the days after launch these trains break up as the satellites position themselves into their final orbits These satellites… Continue reading SpaceX Starlink Satellites

American manned spaceflight in 2019

Since the retirement of the Space Shuttle in July 2011, America has been unable to put any astronauts into orbit around the Earth. Instead, it has been in the difficult situation of having to rely on the Russian Soyuz spacecraft to ferry astronauts to and from the International Space Station (ISS). This situation may change… Continue reading American manned spaceflight in 2019

Soyuz – What next?

Many of my readers will be aware the Soyuz MS-10 spacecraft failed to get into orbit on Thursday 11 October. It was on a mission to take fresh crew to the International Space Station (ISS). Mission patch for Soyuz MS-10 A major fault occurred at an altitude of about 50 km when the booster rocket… Continue reading Soyuz – What next?