New Satellite & New Tricks

This week we’re looking at a new satellite launch, and a ten-year old satellite trying out something new! Sentinel-2A Goes Out at Night To disprove the phrase ‘You can’t teach an old dog new tricks’, Sentinel-2A has completed an innovation … Continue reading →

Reducing Satellites Impact On Night Sky

We’re focusing on the night sky this week, and particularly the impact satellites are having on astronomy. We’ve written before about how visible the Starlink constellations are to the naked eye, and AST SpaceMobile’s recently launched BlueWalker 3, which is … Continue reading →

Unintended Consequences of Energy Saving

Last month a report in Science Advances got a lot of publicity as it described the increase in global light pollution following research using satellite data. Even more interesting was the fact that one of the key drivers, although not … Continue reading →

Optical Imagery is Eclipsed!

Last week’s eclipse gave an excellent demonstration of the sun’s role in optical remote sensing. The image to the left was acquired on the 21st August by the Visible Infrared Imaging Radiometer Suite (VIIRS) aboard the NOAA/NASA Suomi NPP satellite, … Continue reading →

Night-time Treats

The Opening Ceremony of the Rio Olympics featured a plane taking off from the Maracanã Stadium and treating us to a fantastic night flight over Rio. It was a beautiful sequence to celebrate the famous Brazilian aviator Alberto Santos-Dumont, for … Continue reading →