How long are you planning to stay here? <a href=" http://whistlingduck.net/blog/ ">pay day loans no checks</a> The ice is transparent to radio waves at certain frequencies, which can travel through the ice and bounce off the bedrock, making the canyon visible through the NASA-collected radar data. Researchers believe the canyon, which has the features of a meandering river, plays a vital role in transporting sub-glacial melt water from inland Greenland into the ocean.