Solar cycle 25 and space weather forecast

The coming months will test a new prediction that — contrary to most expectations — forecasts one of the strongest solar cycles on record. Sunspots are part of an 11-year up-and-down cycle observed since 1610, “one of the oldest data sets that humans have created,” says Dean Pesnell (NASA Goddard), a solar cycle expert. The sunspot … Continue reading Solar cycle 25 and space weather forecast

President Trump signs Memorandum on Space Policy Directive

Section 1. Policy. The ability to use space nuclear power and propulsion (SNPP) systems safely, securely, and sustainably is vital to maintaining and advancing United States dominance and strategic leadership in space. SNPP systems include radioisotope power systems (RPSs) and fission reactors used for power or propulsion in spacecraft, rovers, and other surface elements. SNPP … Continue reading President Trump signs Memorandum on Space Policy Directive