| | February 12 Farthest Spacecraft Images | | | |
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| | Future cities built with volcanic ash? | | After water, concrete is the world's most-used building material. MIT researchers worked with volcanic ash as a concrete additive and substantially reduced building costs. | | | | | | | |
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| The EarthSky Store | | Help us keep presenting your world, and cosmos, to you. Plus get some cool astronomy swag while doing so! | | | | | |
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| | | This morning's old moon with earthshine | Najwa Nazri at Telok Kemang Observatory, Port Dickson, Malaysia, caught the old moon with earthshine Monday morning. | | | | |
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| | Sunday morning moon and Saturn | Dennis Schoenfelder in Alamosa, Colorado went outside before dawn to clear the snow. Then he noticed the moon and Saturn. Click here for more photos. | | |