Which astronomical organization pioneered the 'Adopt a Star' subscription model that allows supporters to symbolically adopt celestial objects while funding research?

Test your knowledge about the innovative subscription models used by major astronomical observatories and space research organizations. Many leading observatories have developed creative ways to engage the public and fund their research beyond traditional government grants. This poll explores how these scientific institutions have revolutionized their funding approach through membership programs.

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The International Astronomical Union (IAU)
The SETI Institute
NASA's Jet Propulsion Laboratory
The European Southern Observatory