No Safe Place
ESA-NASA Ulysses spacecraft has discovered that there is no place
in the inner solar system completely safe from solar radiation
February 20, 2007
A Cool Solar Mystery
pole of the sun is cooler than the other. That's the surprising
conclusion announced today by scientists who have been analyzing
data from the ESA-NASA Ulysses spacecraft.
South Pole Flyby (NASA
than one hundred years ago, the south pole of Earth was a land
of utter mystery. Explorers labored mightily to get there, fighting
scurvy, wind, disorientation and a fantastic almost-martian cold.
Until Roald Amundsen and Robert F. Scott reached the Pole in 1911
and 1912, it was terra incognita.
situation is much the same todayon the sun.
Spacecraft Swoops Under Sun's Pole (NASA News: Exploring the