In 2013, Nasa sent 20 giant balloons drifting over Antarctica to track particles falling from space and uncover what happened when they reached Earth
- PC: NasaHigh above the ice in Antarctica, a group of enormous balloons was quietly tracking a phenomenon that could not be seen from the ground.
- In January 2013, Nasa's BARREL mission sent 20 balloons drifting through the polar winds, carrying instruments designed to detect faint X-rays produced when energetic particles entered Earth's upper atmosphere.
- The experiment was part of a much larger effort to understand what happens inside the Van Allen radiation belts, where charged particles can become trapped by Earth's magnetic field and later escape towards the poles.
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- PC: NasaHigh above the ice in Antarctica, a group of enormous balloons was quietly tracking a phenomenon that could not be seen from the ground.
- In January 2013, Nasa's BARREL mission sent 20 balloons drifting through the polar winds, carrying instruments designed to detect faint X-rays produced when energetic particles entered Earth's upper atmosphere.
- The experiment was part of a much larger effort to understand what happens inside the Van Allen radiation belts, where charged particles can become trapped by Earth's magnetic field and later escape towards the poles.
Sources: Times of India