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Privacy policy

Last updated: 4 October 2026

Planet Explorer is an informational guide to the Solar System. We don't run accounts or collect personal information ourselves. The site is supported by advertising from Google AdSense, which is explained below.

What we don't collect

  • No accounts, sign-ups, or passwords — there is no login anywhere on the site.
  • No names, email addresses, or contact details of any kind.
  • No payments, purchases, or financial information.

Advertising and cookies

We use Google AdSense to show ads. Google and its partners, as third-party vendors, use cookies to serve ads based on your prior visits to this site and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this and/or other sites on the Internet. These cookies may collect information such as your IP address, browser type, and device identifiers.

You can opt out of personalised advertising by visiting Google Ads Settings, or opt out of some third-party vendors' cookies at aboutads.info. Learn more in how Google uses information from sites that use its services. Visitors in the EEA, UK, and Switzerland will be asked for consent before personalised ads are shown.

Your activity on the site

The planets you tap, the view you choose (2D or 3D), the sorting you pick, and the trivia answers you give stay in your browser's memory while the page is open. We never send them to a server, and they disappear when you close the tab.

Web fonts

The site loads its typefaces from Google Fonts. When your browser fetches those fonts, Google may briefly see your IP address as part of that standard request.

Children

Planet Explorer is a family-friendly educational site. We do not knowingly collect personal information from children, and ads are served according to Google's policies.

Changes to this policy

If the app gains new features that involve collecting information, we will update this page. The date at the top always reflects the latest version.

Questions

We hold no personal data about you, so there is nothing for us to export or delete. To manage ad-related data, use the Google links above. The About this data page explains what the site covers.

Questions

Because no data leaves your device, there's nothing to request, export, or delete. If you still have a question about this policy, the About this data page explains what the site covers and where its numbers come from.