horology

2 notes carry this tag — 1 claim, 1 capture. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Halley's 1716 transit-of-Venus parallax method is the explicit historical ancestor of modern exoplanet transit-parallax technique

capture promoted 2026-07-09 · hop-batch, horology, astronomy, history-of-science, exoplanets
Halley's 1716 method derives the Sun's distance from transit-of-Venus timing differences observed with only telescopes and common clocks

claim seedling Tier 1 2026-07-09 · astronomy, history-of-science, measurement, transit-of-venus, parallax