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VVASTWARD

J03

Read the Light of the UniverseModule 5Read Images, Spectra, and Light Curves
Module 5 / Lesson 19 of 2429 min
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How Do You Read a Light Curve?

How can brightness changing over time reveal a transit, pulsation, rotation, flare, or instrument problem?

Read time, brightness, baseline, period, depth, duration, gaps, and scatter before choosing a cause.

A small planet crosses its star while repeated observations form a shallow transit light curve below.
Vastward artistic reconstruction. The lesson separates transit geometry from the measured brightness record.

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