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TheCMB
TheCMB visualizes data from the Planck mission and provides galactic and ecliptic view controls.
About TheCMB
TheCMB is a web-based visualization of raw data from the Planck mission showing intensity fluctuations in the cosmic microwave background. It renders the data over a sphere using Healpix tiling with WebGL and three.js, and at the highest resolution the view includes 50 million pixels of information. Users can switch between CMB and GHz channels, choose low, medium or high resolution, and toggle galactic/ecliptic and crosshair displays. The view is controlled with mouse actions or keyboard bindings. The site is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.
Key features
- Visualizes raw Planck mission cosmic microwave background intensity fluctuation data.
- Offers CMB or 30, 44, 70, 100, 143, 217, 353 GHz channel options.
- Supports low, medium and high resolution; highest includes 50 million pixels.
- Toggles galactic/ecliptic view and crosshair display.
- Mouse and keyboard controls for panning, zooming, resetting and toggling items.
- Renders data over a sphere using Healpix tiling, WebGL and three.js.
Best for: People who want to explore Planck mission cosmic microwave background data in an interactive 3D web view.
Good for
- Presents raw Planck mission data with selectable channels and resolutions.
- Interactive mouse and keyboard controls support navigation and zooming.
- The highest resolution view includes 50 million pixels of information.
Watch out for
- Licensed under Creative Commons Attribution-NonCommercial 3.0 Unported, so commercial use is not permitted.
- The site is not open source.
TheCMB at a glance
- Website
- thecmb.org
- Category
- Education & Learning › Space & Astronomy
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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TheCMB FAQ
What data does TheCMB show?
It shows raw data from the Planck mission of intensity fluctuations in the cosmic microwave background.
What channel and resolution options are available?
Channel options are CMB or 30, 44, 70, 100, 143, 217 and 353 GHz; resolution options are low, medium and high.
How do I control the view?
Click-drag changes latitude and longitude, double-click zooms in, and the scroll wheel zooms in and out. Keyboard bindings include arrow keys, +, -, r, g, e and x.
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