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ESA Spying on WMAP in Preparation for Gaia

How does the ESA prepare for the launch of a new probe? Well, apparently, by taking several pictures of its partner's spacecraft. ESO's La Silla 2.2 meter telescope was recently used by three researchers to photograph NASA's Wilkinson Microwave Anisotropy Probe, orbiting Earth from a distance of 1.5 million kilometers. The two missions have separate scientific objectives, with NASA WMAP probe having the role of making observations on the Cosmic Microwave Background. Europe&#039... Read »
Created by sudha1234 Created 29 weeks 3 days ago – Made popular 29 weeks 3 days ago
Category: Science
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