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By Howard Hughes Medical Institute

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What did Earth’s continents and oceans look like 250 million years ago, or even 1 billion years ago? What do we know about the climate back when our planet formed?

EarthViewer is like a time machine for exploring Earth’s deep history. Based on the latest scientific research, it lets you scroll through the last 4.5 billion years with your fingertips. Follow a favorite landmark, be it Greenland or New York City, as its position shifts through time, or watch a famous fossil like Tiktaalik make an incredible journey from its origin to its current location. Layer your view of shifting continents with data on atmospheric composition, temperature, biodiversity, day length, and solar luminosity, to get a more complete view of our dynamic planet.

EarthViewer features include:

• Continental reconstructions and accompanying data dating back billions of years
• World temperature map for the last 100 years
• Ability to manipulate the globe and zoom to any location
• Locations of modern cities tracked back over 500 million years
• In-depth features on major geological and biological events in Earth history
• Clickable details on geologic eons, eras, and periods
• Automated play modes
• Extensive reference list
• Suggestions for classroom use
• Tutorial videos

The Howard Hughes Medical Institute (HHMI) is a non-profit medical research organization that ranks as one of the nation’s largest philanthropies. HHMI’s BioInteractive initiative opens a window on cutting-edge science through interactive web features, short films, virtual labs, and scientific animations. Since teachers play a pivotal role in launching the careers of future scientists and in helping the public understand the beauty and import of science, the BioInteractive team partners with the teaching community to create and distribute media that is engaging and relevant to the science curriculum.

What's New in Version 1.1

• A new feature to track famous fossil sites through time
• Added new cities and impact events
• Added new geological events
• Tapping on site and event markers will rotate Earth to center on that location
• Start-up screen shows a tutorial for timeline pinch gesture
• Tapping compass button re-orients Earth's poles
• Improved playback controls

iPad Screenshots

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Customer Reviews

If you want to know the history of the earth, get this app

I've been looking for an app like this for years! A big thank you to Chris Scotese, the Paleomap project and to the Howard Hughes Institute for sponsoring the app.

It's got (nearly) everything you could want from a map showing the changes that plate tectonics has made to our world: you can spin the globe and pan in on any area you are interested in; locate using present day cities; move backwards or forwards step by step or by letting the clock run. It even has a very sensible scale showing the geological eras against the timeline and an impressive list of catastrophes and events.

It may need a few more health warnings as I'm sure some details will change as our understanding improves, but that's the nature of science.


Downloaded this when I was bored and now I have showed the entire geology department at college and they now use it to teach, it's an essential app for any geologist

Geology essential!

Essential app for geologists of any level. Get this app! Giving and comparing all major events and data in the Phanerozoic. Revolutionary for learning.

View in iTunes
  • Free
  • Category: Education
  • Updated:
  • Version: 1.1
  • Size: 162 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 4.0 or later. Compatible with iPad.

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