Monday, February 12, 2018

Feb 12 - Farthest Spacecraft Images

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New farthest-from-Earth spacecraft images

Voyager 1 captured its famous Pale Blue Dot image at a record distance in 1990. It took 27 years to beat that record, but now New Horizons has. 

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.

Where's the moon? Waning crescent

The moon has passed several planets before dawn and it's now waning toward a partial solar eclipse on February 15.

Tonight … Blue-white Rigel at Orion's foot

Rigel is far, some 775 light-years away. It must be extraordinarily luminous to be so distant yet shine so brightly in our sky.

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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.

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.

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