️<unk>️<unk>️<unk>️  ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ The Planetary Atmospheres Minor Species Sensor (PAMSS) spent more than an hour at 105,000 feet above the Earth's surface taking measurements before parachuting safely back to the ground.<unk> The Planetary Atmospheres Minor Species Sensor (PAMSS) spent more than an hour at 105,000 feet above the Earth's surface taking measurements before parachuting safely back to the ground.<unk> The Planetary Atmospheres Minor Species Sensor (PAMSS) spent more than an hour at 105,000 feet above the Earth's surface taking measurements before parachuting safely back to the ground. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Even low levels of methane on a planet could indicate that there is life there breaking down organic material.<unk> Even low levels of methane on a planet could indicate that there is life there breaking down organic material. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Professor Robert Peale, a physicist at the University of Central Florida who is leading the project, said: 'Our sensor has the potential to detect specific gases at extremely low concentrations. Metabolic byproducts of life include characteristic gases like methane, which on Mars would be a very low concentrations.<unk> Professor Peale and his team launched their sensor, which uses an infrared laser the size of a grain of salt, on a high altitude balloon from Tucson, Arizona, on Sunday. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Most atmospheric probes used to day are unable to measure the concentration of trace vapours or gases. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> Scientists now want to explore these more closely in... (Scientists now want to explore these more closely in...
<unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> It can detect just one molecule of methane among a trillion other molecules.<unk> It can detect just one molecule of methane among a trillion other molecules. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>