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Science

A new wood can drop a building's temperature and reduce cooling costs

A sample of a new wood that can reduce cooling costs./ Image: University of Maryland Cooling , or air conditioning, is more complex than heating. According to the United States Department of Energy, heating and cooling systems emit half a billion tons of carbon dioxide in the atmosphere each year. Also, most of our buildings are made of concrete, whose …

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An Asteroid with its Own Moon will be Zip Past Earth tonight

A huge asteroid with its own little moon will allow to zip the past Earth tonight (May 25) – close enough, with some preparations and a decent telescope, amateur viewers can see This astronomer blotting the stars. The moon-and-asteroid system, called 1999 KW4, consists of two stones. The big is about 0.8 miles (1.3 kilometers) wide, according to NASA, and …

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The price, contract terms helped with the Maxar secure Gateway contract

WASHINGTON – An ability to get a contract quickly and a lower price that other companies are key factors in the NASA decision to award a contract with Maxar Technologies for the first element of the lunar Gateway, Power and Propulsion Element (PPE). A statement on resource choice released by NASA May 23 illustrates agency assessment of PPE proposals submitted …

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An Asteroid with its Own Moon will be Zip Past Earth tonight

An animation shows what the orbits look like. Credit: Dr. Steven Ostro et al./NASA = A massive asteroid with its own The little moon will zip in the past Earth tonight (May 25) – close enough, with some preparations and a decent telescope , amateur astronomers can see it blotting out the stars. This moon system and this asteroid, called …

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Sirangelo left NASA after the search was removed again

WASHINGTON – A former industry executive spacer joining NASA to guide the revamped moon exploration strategy left the agency after just a month and a half. In an internal memo on May 23, NASA Administrator Jim Bridenstine announced that Mark Sirangelo became a special assistant to the administrator after a proposed agency's rehabilitation was rejected by Congress. That reorganization created …

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