NASA’s Dim View of Stars NASA による星空の薄暗い眺め by Wal Thornhill | December 22, 2008 2:45 pm “..astronomers can tell the temperature of the central regions of the Sun and of many other stars within a few percentage points and be quite…

Assembling the Solar System 太陽系の組み立て by Wal Thornhill | October 23, 2008 6:33 pm “The Genesis team can take great satisfaction not just in having salvaged their mission, but in underscoring once again how little we know about how o…