Rebbe Responsa vs DeepSpace

Over the years the Lubavitcher Rebbe corresponded with countless individuals who sought his counsel and guidance. These letters contain his unique insight and advice on nearly every topic. From marriage and relationships, physical and mental health, philosophy and education, business and communal work - the Rebbe illuminated every subject with the timeless truths of Torah and boundless concern for his correspondents. The Rebbe Responsa App is a revolutionary platform that compiles the Lubavitcher Rebbe's letters written originally in English. The English letters are unique in style and content. They explain profound and deep concepts in a plain and simple manner, understable and practical to all. This platform is the first comprehensive database of this treasure. With an elastic search and divided by topic, this platform provides an easy and convenient access to these letters.

DeepSpace — Star & Planet Viewer Point your phone at the sky and see the stars move in real time. DeepSpace turns your device into a personal star atlas — no account, no subscription, no internet required. What's in the sky tonight? Hold up your phone and explore 95 named stars rendered in color by spectral type, all 8 planets, the Sun, and the Moon — their positions calculated from simplified orbital models and updated live. Accurate enough for casual stargazing and learning the sky; not a precision instrument. Features • Gyroscope sky map — point anywhere and the stars follow, at up to 120fps on supported devices • 16 constellations — tap any to see its mythology and star pattern • 110 Messier objects — galaxies, nebulae, and clusters plotted and tappable • Tap to lock on — tap any star or planet for its magnitude, coordinates, spectral type, and more • Sky search — find any object by name and jump to it instantly • Tonight's Sky — one tap shows what's visible right now: planets above the horizon, best deep-sky objects, and current moon phase • Time Machine — scrub forward or backward in time to plan or revisit a night • Observation journal — log your sightings with date, location, and notes • Celestial event alerts — get notified about oppositions, conjunctions, and lunar events for objects on your watch list • Milky Way overlay — the galactic band drawn across the sky • Red Night Mode — full red filter to protect your dark-adapted vision at the eyepiece • Share the sky — share a snapshot card of tonight's sky with friends • Portrait and landscape — works in any orientation on iPhone and iPad Honest about accuracy Star and planet positions use simplified orbital models this is great for finding constellations, identifying planets, and learning the night sky. For precise observation planning, pair it with a professional ephemeris.