Loading…
CompareOpen in Google Play
This app isn't in any of our charts yet.
New in this version: • Interactive lessons: drag Earth around the Sun, follow the wandering North Star, turn the Maya calendar gears and more • A richer night sky with the Milky Way, real Moon phases and twilight glow • More accurate star positions for very ancient dates • Quick quizzes, "See it in the sky" links and smoother sky panning • Fixes for black screens and crashes
Travel 17,000 years back and see the stars over Stonehenge, Giza & Chichén Itzá
What did the sky look like when the Great Pyramid was built? Which stars rose over Stonehenge at midsummer 5,000 years ago? Ancient Sky lets you travel up to 17,000 years back in time and see the heavens as ancient civilizations saw them. Stand at a real archaeological site, dial back the clock, and watch the sky transform. Ancient Sky models the slow changes that reshape the sky over millennia, the wobble of Earth's axis (precession), its changing tilt, and the drift of the calendar — using modern long-term astronomical models, so the pole stars, constellations and sunrise points sit where they really were. FEATURES • A living night sky — constellations, planets, the Moon in its true phase and the Milky Way, with twilight glowing on the horizon as the Sun sets and rises • Time travel to any date from 15,000 BCE to today — watch Thuban, then Polaris, become the North Star, and see why ancient builders chose their alignments • Jump to the solstices and equinoxes and see exactly where the Sun rises on the horizon, with markers for the Sun's and Moon's extreme rising and setting points • 18 ancient sites, seen from their exact coordinates — Stonehenge, Newgrange, the Great Pyramid and Sphinx, Karnak, Abu Simbel, Chichén Itzá, Machu Picchu, Angkor Wat, Chaco Canyon, the Callanish Stones and more • Interactive lessons you can touch — drag Earth around the Sun to see where the seasons come from, scrub through 30,000 years of the wandering pole, swing the sunrise along the horizon, turn the Maya calendar gears, and watch the Moon's 18.6-year standstill cycle • Learn the science and the stories — ancient calendars (Maya, Inca, Celtic, Chinese, Egyptian), precession and the zodiac ages, Milankovitch cycles, lunar astronomy, archaeoastronomy, and star lore from Polynesian, Greek and Aboriginal traditions • Quick "make a prediction" questions at the end of lessons, to test what you've learned • "See it in the sky" — jump from any lesson straight to that moment in the sky view • Use GPS to see the sky from where you're standing, and the compass to match the screen to the real sky above you • Beginner Zone for curious explorers of all ages — learn the constellations, draw your own, and explore the Sun and Moon with friendly animated diagrams • A calm, dark interface designed for night use, with optional ambient music The sky connects all of human history. The same stars that rise tonight rose over every civilization that came before us — just in different places. Ancient Sky lets you see that connection for yourself. Whether you're a student, teacher, history lover, amateur astronomer or simply curious, Ancient Sky brings the wonder of archaeoastronomy to your fingertips.