By Paul Hertz NASA’s Science Mission Directorate (SMD) provides opportunities for scientists outside the agency to determine what science NASA should pursue in future missions. Several different programs, such as Discovery and Explorer, publish announcements of opportunity so ideas can be proposed, vetted, selected, and flown in the pursuit of groundbreaking scientific discovery.
By Bob Chesson Most European Space Agency (ESA) projects are contracted to European industry on a firm fixed-price (FFP) basis. These FFP contracts and their statements of work transfer most of the project risks to the prime contractor, who then transfers as much risk as he can to subcontractors and equipment suppliers.
On August 1, 2010, almost the entire Earth-facing side of the sun erupted in activity from a C3-class solar flare, a solar tsunami, large-scale shaking of the solar corona, radio bursts, a coronal mass ejection, and more. This extreme ultraviolet snapshot from the Solar Dynamics Observatory (SDO) shows the sun’s northern hemisphere in mid-eruption. Different […]