Terrella: World Globe & Atlas

Terrella is a 3D world globe in your pocket: a classic look, as if coloured by hand, glossy and interactive. Spin it, zoom in, and open information cards for countries, cities and other places on the globe.

A modern and a historical globe — drag the timeline and watch the borders of states change over time.

Test what you know about geography and history — several quiz modes, and the quiz works offline.

Explore the starry sky as it is seen from Earth: constellations, asterisms and stars.

Keep a travel journal — save entries and mark on the globe every place you have been to or plan to visit.

Traditional cartography instead of a soulless satellite photo. Every map is stored on your phone and works offline. An internet connection is needed only for the information cards and for Live Earth.

WHO IT IS FOR

For people who love maps. For the curious, who have wondered what stood on this spot a thousand years ago, or which sea washes the country they have just been reading about. For teachers and parents who want a world globe that fits in a pocket. For travellers who like knowing more about the places they have been.

EIGHT VIEWS

• Political — countries of the world, regions, cities
• Topographic — mountains, plains, plateaus
• Hydrographic — rivers, lakes and seas
• Combined — the political, topographic and hydrographic views laid over one another
• Historical — the borders of states from 6000 BCE to the present day
• Solar system — real orbits, the planets and their moons, with surfaces you can descend to
• Star globe — the 88 constellations, their figures and some five thousand stars
• Live Earth — weather, fires, volcanoes, hurricanes and other events on the planet right now

HISTORY, ALIVE

A historical world map you can travel through: drag the year and the map answers. Empires appear, flourish and vanish; civilisations come and go; cities rise and go dark when they are abandoned. Every state and every city has an information card that opens at a touch.

LIVE EARTH

See the planet as it is right now: temperature, clouds and wind, earthquakes, tsunamis, hurricanes and their tracks, active volcanoes, fires, auroras and ocean currents. The data is close to real time. Geomagnetic activity (the Kp index) — now and the forecast for the next 24 hours. A home-screen widget shows how many earthquakes, hurricanes and fires there are on the planet right now.

LIVE SKY

Find out which stars and constellations are right above you now. Explore the star atlas as a classic globe or in panorama mode.

LIVE TRAVEL JOURNAL

Write down the countries, regions and cities you have been to. The globe remembers them: the countries and cities you visited are marked on it. The journal stays on your phone, and you can export it to a file whenever you like.

TEST WHAT YOU KNOW

A geography and history quiz: capitals of the world, borders, flags, what a strait separates, which state arose first. Keep score and set records.

WHERE THE DATA COMES FROM

Natural Earth, Wikipedia, Wikidata and the Cliopatria historical atlas; the HYG catalogue for the stars; NASA imagery for the satellite view; for Live Earth, open data from NOAA, NASA and the U.S. Geological Survey.

WHAT THE FREE VERSION INCLUDES

• Zoom — down to countries and major cities. Regions and smaller cities — in Pro
• Timeline — from 1700. Back to 6000 BCE — in Pro
• Solar system — the planets and their orbits. The surfaces of planets and moons — in Pro
• Star globe — the constellations. Zooming in on individual stars — in Pro
• Live Earth — weather, wind and clouds. Earthquakes, tsunamis, hurricanes, volcanoes, fires, auroras and currents — in Pro
• Quiz — the basic level. The advanced level — in Pro
• Travel journal — 10 entries. Unlimited — in Pro
• The globe as a live wallpaper — in Pro