precision

NASA opens Nighttime Precision Landing Challenge to help future moon missions

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NASA wants your help to safely land future lunar spacecraft in the dark, including permanently shadowed craters that may be icy. The agency’s new Nighttime Precision Landing Challenge No. 1 plans to award as many as three prizes of up to $650,000 each. The challenge asks applicants to create sensors able to detect hazards from … Read more

16-Year Study of Extreme Stars Has Once Again Proved Einstein Is Still Right

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Two pulsars locked in close binary orbit have once again validated predictions made by Einstein’s theory of general relativity. Over 16 years, an international team of astronomers has observed the pulsar pair, named PSR J0737−3039A/B, finding that the relativistic effects can be measured in the timing of their pulses – just as predicted and expected. … Read more