'WATER-BASED LAVA' ON PLUTO'S MOON? New images just received from NASA's New Horizons spacecraft reveal a giant canyon on Pluto's moon Charon, as well as evidence that parts of Charon may have been resurfaced by strange "water-based lavas." Visit http://spaceweather.com for the full story.
Aurora Watch: A CME is expected to sideswipe Earth's magnetic field on Oct. 4th, and this could cause a minor (G1-class) geomagnetic storm. High-latitude sky watchers should be alert for auroras on Oct. 4th and 5th.
