NASA is continuing to work on one of its most ambitious projects to date, and it is now offering money to companies, universities, and organizations to help find answers to the biggest technical hurdles that lie ahead. The agency hopes that it will capture the asteroid in 2019 or 2020 in time for a manned mission in 2025 or later. And thats what todays call for proposals — known as a Broad Agency Announcement (BAA) — is for. There are five main areas where NASAs looking for help, and perhaps the most important is the asteroid capture system itself.