Which subscription model pioneered the concept of 'Adopt a Star' with personalized certificates and regular scientific updates about the adopted celestial body?

The astronomy industry has evolved beyond traditional telescopes and star charts to embrace modern subscription services that connect enthusiasts with the night sky. These innovative models have revolutionized how people experience astronomy, making it more accessible and interactive than ever before. Test your knowledge of how subscription services have transformed the stargazing experience in recent years!

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StarDate Monthly, launched by McDonald Observatory in 2010
Celestial Registry, introduced by the International Astronomical Union in 2015
Star Name Registry, created by the International Star Registry in 1979
AstroAdopt, developed by NASA's public engagement office in 2008