CNN CNN Newsroom November 28, 2013 19:06:00
Reaching temperatures of about 5800 degrees around the comet. that's hot enough to melt steel. it's traveling 8,044 miles an hour. it's within 700 miles of the surface of the sun. the last comet to survive going around the sun close, back in 1962, the closest approach, was 3 million miles. this, if it makes it, is going to be the record holder. it looks like it's holding together. it's a little early to tell for sure. but it looks like it's making it. >> is it the heat that would tear it apart or the gravitational forces because it's so close to that ball? >> three things. one, it's losing mat...