Nebula Navigator: AR Celestial Cartographer

Inspired by the awe-inspiring celestial visualizations in 'Interstellar' and the narrative drive of scientific discovery in 'Nightfall', Nebula Navigator is an AR/VR application that transforms any space into a personal observatory. Users can point their device (smartphone or VR headset) at the night sky, or even an empty room, and see a detailed, interactive 3D map of stars, planets, nebulae, and galaxies overlaid onto their view. Each celestial object will be tagged with key data, such as distance, size, composition, and even potential habitability scores, drawing a parallel to the data-driven pricing insights from the e-commerce scraper. For example, a user looking at Jupiter might see its atmospheric composition and moons, while pointing at a distant star could reveal its spectral type and estimated lifespan. The 'Nightfall' influence comes into play with narrative elements: the app could feature curated 'discovery missions' where users are tasked with finding specific celestial phenomena, unlocking lore about them and even fictional narratives about hypothetical alien civilizations or past cosmic events. The core functionality involves using device sensors (gyroscope, accelerometer) and GPS for real-time orientation, coupled with a robust astronomical database. The niche appeal lies in its blend of education, entertainment, and exploration, catering to amateur astronomers, science fiction enthusiasts, and educational institutions. The low-cost implementation is achievable using readily available AR SDKs (ARKit, ARCore) and open-source astronomical data. High earning potential can be realized through a freemium model: basic celestial mapping is free, with premium subscriptions offering advanced features like deep-space anomaly tracking, real-time exoplanet data, historical astronomical events, and exclusive narrative 'missions' inspired by sci-fi concepts. Partnerships with planetariums, educational platforms, and even sci-fi authors could further enhance its market reach and revenue streams.