Which pioneering marketing strategy did celestial equipment company Celestron implement in 2019 that led to a 45% increase in telescope sales?

Major astronomy equipment retailers and observatories have been revolutionizing their marketing strategies to increase public engagement with the cosmos. From virtual stargazing events to augmented reality apps that simulate the night sky, these organizations are finding innovative ways to connect people with the wonders of the universe. Test your knowledge about a groundbreaking marketing approach that changed how astronomy products are promoted!

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The "Stars in Your Backyard" AR app that shows users exactly what celestial objects they could view from their location with different telescope models
A subscription box service delivering monthly astronomy equipment upgrades and star charts customized to the subscriber's location
The "Cosmic Influencer" program pairing professional astronomers with social media personalities to demonstrate equipment usage
A trade-in program allowing customers to upgrade their telescopes at reduced prices during major astronomical events