News
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AstronomyAfter a failure, a new craft to sail
Despite the July 20 failure of its mission to test the unfurling of a solar sail in a suborbital trajectory, the Planetary Society announced plans in late August to conduct a second test of a sail-propelled craft.
By Ron Cowen -
AstronomyA meteorite’s pristine origins
A rare, carbon-rich meteorite that fell into a frozen Canadian lake last year ranks as the most pristine of such specimens ever found.
By Ron Cowen -
AstronomyGravity’s lens: Finding a sextet of images
Astronomers have for the first time found a gravitational lens in which the image of a distant galaxy has been split into six distinct images.