Ulysses spacecraft data indicate Solar System shield lowering
Tuesday, September 23, 2008 - 13:49
in Astronomy & Space
(PhysOrg.com) -- Data from the joint ESA/NASA Ulysses mission show that the Sun has reduced its output of solar wind to the lowest levels since accurate readings have become available. This current state of the Sun could reduce the natural shielding that envelops our Solar System.