I find all aspects of space to be interesting. It’s such a mysterious place after all and exploring it would be awesome. Those who are interested in astronomy or are curious about NASA will love this free deal then — watch When We Left Earth: The NASA Missions Season 1 for Free! Use have to use the coupon code BLASTOFF to make it free though. This is a stream / video on demand. Be sure to have an up-to-date flash player for the best performance. Enjoy!