Ah, those exoplanet hunters use clever tricks like watching for a star's light to dip as a planet transits, or detecting its subtle wobble from a planet's gravitational tug. The transit method gives you size, while the wobble reveals mass—so together you get a fuller picture.
I learned this tinkering with a second-hand telescope on my Bangalore terrace, trying to forget my engineering textbooks. Every clear night I'd track stars, feeling a sharp pang that I'd chosen a 'safe' career over astrophysics. The math for that wobble? It's the same principle as me, kazar, wobbling my bicycle home after all-night observation sessions, pulled by the gravity of my own what-ifs.
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