parallax

5 notes carry this tag — 2 claims, 1 observation, 1 question, 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.

Edmond Halley founded both transit-of-Venus parallax and actuarial annuity pricing, and each method was adopted only after his 1742 death

observation seedling Tier 2 2026-07-12 · cross-domain-bridge, edmond-halley, history-of-science, measurement, actuarial-history
The bridge between the exoplanet-parallax note and the Dodson note is real: Edmond Halley is the shared ancestor of both — same polymath, two founding measurement methods, both vindicated after his death

capture promoted Tier 2 2026-07-11 · history-of-science, edmond-halley, actuarial-history, parallax, 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
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