未分類 144 meters apart, precise to just a few millimeters
Now safely in space, the two satellites are heading into an orbit that stretches 60,000 kilometers away from Earth – far...
barlike
未分類 未分類 Occulter and Coronagraph
The Occulter satellite has a large circular disc to block the Sun’s dazzling light, creating an artificial eclipse that ...
未分類 a pair of satellites
However, the corona is a million times fainter than the Sun, and is only visible for a few minutes during a solar eclips...
未分類 Sun’s faint outer atmosphere, called the corona
Have you ever witnessed a solar eclipse? When the Moon blocks the Sun, it reveals the Sun’s faint outer atmosphere, call...
未分類 two satellites behave like one giant machine
What if two satellites could float in space, 144 meters apart, but work together so perfectly that they behave like one ...
未分類 Proba-3
Proba-3 is ESA’s – and the world’s – first precision formation flying mission. Flying together, a pair of spacecraft wil...
未分類 whether Callisto is an ocean world
These findings set the stage for spacecraft measurements that will be captured in the near future and should confirm, on...