Asteroid Close Approach vs History Globe

Stay informed about the most recent near-Earth asteroid encounters—right from your iPhone or on your Apple Watch. Easily check the upcoming dates and times of close approaches, along with their distances, velocities, magnitudes, and estimated impact energies in kilotons. Dive into NASA’s Sentry database, a powerful collision monitoring system that continuously scans the latest asteroid catalog for any potential impacts within the next 100 years. Curious about an asteroid’s mass and energy? Use the built-in calculator to estimate these figures based on its absolute magnitude and approach speed. Features: • Latest Encounters on Your Wrist: View real-time asteroid data at a glance on your Apple Watch. • Comprehensive Tracking: Check each asteroid’s approach date, distance, velocity, magnitude, and potential impact energy. • Sentry Database Access: Keep tabs on NASA’s up-to-date collision predictions for the next century. • Asteroid Mass & Energy Calculator: Estimate physical properties and potential impact energy with a simple input of magnitude and speed. Stay informed, prepared, and captivated by the wonders of our cosmic neighborhood—anytime, anywhere.

History Globe turns the whole world — and all of history — into one beautiful, interactive 3D Earth you can spin in your hand. Drag the timeline from 3300 BCE to today and watch what was happening everywhere at once: civilizations rise, empires shift, wars, inventions, art and discoveries light up across the planet. Tap any glowing marker for the story, with a photo and a clear summary. It's a globe, an atlas, an encyclopedia and a quiz — all in one. TIME TRAVEL • 2,300+ world events from antiquity to 2025, on a single timeline • Watch empire borders morph across the centuries LIVING CODEX • 24,000+ species — mammals, birds, reptiles, sea life, insects, plants, dinosaurs & prehistoric life • Photos, facts and real distribution data; tap "Add to Codex" to light up your own Earth WONDERS OF THE WORLD • World Heritage sites, natural wonders and major volcanoes, pinned where they belong THE LIVING PLANET • Biomes, Köppen climate zones and global ocean currents QUIZ MODE • Turn the whole atlas into a game — guess the continent, order the events, take the daily challenge BUILT TO ENJOY • Bilingual: English & 中文 (follows your device, switch anytime) • Gorgeous night-Earth visuals, smooth to spin • The globe, timeline and all data work offline; images load from the web No account. No ads. No tracking. Just the world, across time, in your pocket.