Go to start pageGalaxy StoryAstrometrySearch for Planets

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For ease of viewing, these interactivities have been drawn from earlier stories in this section and collected on this page. They are also available on the associated pages of the text stories. Click on any of the thumbnails below to begin exploring them.

Stellar Parallax
Doppler's Effect
The Sextant
Resolving Power
Positional Accuracy
Gaia's Lissajous Type Orbit




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