This week we’re returning to our infrequent blog series ‘Can this be seen from Space?’ Last weekend was Diwali and there was television coverage of the northern Indian city of Ayodhya, in the district of Uttar Pradesh, setting a Guinness … Continue reading
Last week we wrote about how Earth Observation satellites were monitoring the changes in nitrogen dioxide levels in country’s placing restrictions on daily life. We’re going to start this week’s blog with a look at how night-time imagery has changed … Continue reading
Everyone knows the British like to talk about the weather. But last week even NASA was talking about the British weather – so you know something must be happening! Well, it’s been hot. Now I know many readers from other … Continue reading
MERRY CHRISTMAS AND BEST WISHES FOR 2018Â from everyone at Pixalytics
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
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
According to the paper published by Falchi et al in June 2016 around 80% of the world’s population suffer from light pollution. The paper, ‘The new world atlas of artificial night sky brightness’, further noted that in Europe and the … Continue reading
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
