we'll hear from one woman who is inspiring work with the homeless and less fortunate has earned her the title cnn hero of the year. >> all that and more is coming up this christmas morning. let's get a check of your news headlines. good morning, boris and merry christmas to all of you. i'm jessica dean in washington. and we begin this morning with a major moment for nasa. >> engine start. and liftoff. james webb begins a voyage back to the birth of the universe. >> the $10 billion james webb telescope lifted off from the european space agency's launch site minutes ago. the telescope which is being called the most powerful ever will take one month to complete its orbit around the sun which is just under a million miles away. because it will be so far away, it won't be able to be serviced