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📘 Keep exoplanet from meaning only photos

Exoplanets are found mostly by motion and dimming signatures — not only pretty photos. Radial velocity, transits, and imaging each have different limits.

3
lessons
~15 min
to learn
Adults
level
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What you’ll learn

  1. Detection before portraitsStart from detection methods, not portraits.51 Pegasi as radial-velocity breakthrough.
  2. RV and transitsCompare RV and transit strengths.Precision and photometry built the census.
  3. Imaging’s hard lanePlace direct imaging as hard specialty.Contrast limits explain rarity.

Grounded in trusted sources

  • Mayor & Queloz 51 Pegasi b discovery context
  • Radial-velocity precision limit primers
  • Transit photometry / Kepler legacy overviews
  • Transit timing variation introductions
  • Direct imaging and AO contrast notes
  • NASA Exoplanet Exploration Program context

Every Wunder lesson is built from real, reputable sources — never invented.

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