Labels:text | hot air balloon | screenshot | transport | balloon | aerostat | hot air ballooning | aircraft OCR: BALLOONS IN THE ATMOSPHERE IN ADDITION TO rockets and satellites, astronomers use balloons to take their instruments high into the atmosphere. This means that they can detect the types of radiation, such as X-rays, that cannot reach telescopes on the ground. Balloons also allow scientists to study the upper reaches of the atmosphere and monitor the ozone layer, which protects us from the Sun's harmful ultraviolet radiation. HIGH IN THE SKY UP AND AWAY Balloons can reach a Detection Equipment is attached to height of 40 km (25 miles) equipment astronomical balloons to in the atmosphere. monitor radiation levels.
