Google’s X is flying its internet balloons over Yellowstone

Here’s something interesting from Google’s parent company, Alphabet: Its experimental balloon-based initiative to bring internet connectivity to remote parts of the world, called Project Loon, was spotted flying balloons over Yellowstone National Park last week.

Here’s a snapshot of a flight map. The red balloon is Loon.

Loon is a project of Google’s moonshot division, X, formerly called Google X, now a separate business under the Alphabet umbrella.

While Google has been testing these balloons in the U.S. for the past two years — they have a test site in Winnemucca, Nev. — this is one of the rare times they’ve actually been spotted by a human being. Or at least, spotted and tweeted.

The balloons generally hover around 55,000-70,000 feet in the air, which is too high to see with a naked eye. They have been spotted as far away as Wichita, Kan., a full 1,377 miles from the test site. Yellowstone is 610 miles north of Winnemucca.

Loon shared the story of its 98-day flight over Peru earlier this month.

It makes sense that Google wants to get more people online — because if you’re on the internet, you probably use Google. And when people use Google, the company can collect data and serve ads.

Internet providers generally won’t lay cables in places where there aren’t enough potential subscribers to make it profitable, keeping a lot of the world offline. As for whether Loon will be cheaper than building infrastructure in remote areas remains to be seen.

If you want to check where Loon balloons are flying right now, take a look at a flight radar map and search for the call sign HBAL.

Project Loon

Project Loon

Correction: This article previously stated that Alphabet has been spending more than $1 billion on Loon. That figure, from a 2014 WSJ article, referred to Google’s spending plans for a satellite-based internet project.

This article originally appeared on Recode.net.

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