ESA: Sentinel-3A on its way

The latest satellite for the European Commission’s Copernicus environmental programme has left France bound for the Plesetsk launch site in Russia and launch late next month. Carrying a suite of state-of-the-art instruments, Sentinel-3A is set to provide an unprecedented step forward in the Copernicus marine, land, atmosphere and climate change services. The satellite began its … Dowiedz się więcej

ESA: New satellite to measure plant health

ESA plans to track the health of the world’s vegetation by detecting and measuring the faint glow that plants give off as they convert sunlight and the atmosphere’s carbon dioxide into energy. Yielding information about the health and stress of the planet’s vegetation is important as the growing global population places increasing demands on the … Dowiedz się więcej

ESA: Shining a light on the aurora of Mars

ESA’s Mars Express has shed new light on the Red Planet’s rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere. On Earth, auroras are often-spectacular light shows at high northern and southern polar latitudes as the solar wind interacts with Earth’s magnetic field. As … Dowiedz się więcej

ESA: Exploring the seas, thanks to space

An underwater robot initially built to help astronauts train for life in weightlessness is now being tested in the Mediterranean Sea. One day, robots like this may carry out sophisticated missions on our ocean floors, from finding lost aircraft blackboxes to mining minerals or maintaining the sites of ancient pirate shipwrecks. In space stations, robots … Dowiedz się więcej

ESA: Saturn and Dione

Saturn has many, varied moons – over 60 have been discovered so far. One of the larger ones, Dione, is shown here in this image from the Cassini orbiter, pictured as it moved across the face of its parent planet. Dione orbits Saturn at around 377 400 km, roughly the same distance as that between … Dowiedz się więcej