transit-of-venus

3 notes carry this tag — 2 claims, 1 question. 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 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
A 2007 exoplanet paper names Halley's transit-of-Venus parallax proposal as the direct ancestor of exoplanet transit parallax

claim seedling Tier 1 2026-07-09 · astronomy, exoplanets, history-of-science, measurement, parallax
Do the full-text primaries confirm, verbatim, Halley's 1716 'telescopes and good common clocks' passage and Scharf 2007's Halley-ancestor opening line?

question answered 2026-07-09 · verification, astronomy, history-of-science, parallax, transit-of-venus