Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order
In late 1610 Galileo reported phases of Venus as a public argument against simple Ptolemaic order. Galileo Galilei's documented role is: He reported Venus phases in letters and later print. In the causal graph this event strengthens Digital Learning Access, a driver that weakens Learning Poverty Rate (low- and middle-income countries) — an improving welfare path.
Read the full account
In late 1610 Galileo reported phases of Venus as a public argument against simple Ptolemaic order. It is not the March book. Galileo Galilei's documented role is: He reported Venus phases in letters and later print. The sky is nature's; the report is his.
Context
Castelli correspondence sits in the file. Sharing the report with those letters is required. The setting of Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order is the public file around 1610-12-01. Contribution type is direct. Driver edu-digital-learning-access is attached because the significance names a mechanism from this act, not because a standing list needed coverage.
Confidence is stated on the impact path, not hidden in adjectives. Different instrument, later in 1610. Mixed effects of Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order are separate paths.
Why it matters
Improving path from Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order on 1610-12-01. A public phase-report is an education path, distinct from the 1610 book. The welfare reading on this path is improving.
The contribution type is direct. That reading is an impact-path choice, not a property stored on the Fact itself.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
Galileo Galilei
PersonDirect responsibility
responsibility level 0.48 · verified
He reported Venus phases in letters and later print. The sky is nature's; the report is his.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactGalileo reports phases of Venus as a dated public argument against simple Ptolemaic order
- strengthensDriverDigital Learning Access
- weakensIndicators (3)Learning Poverty Rate (low- and middle-income countries)
impact weight 0.4 · Effect from 1 December 1610 · verified
A public phase-report is an education path, distinct from the 1610 book.
Weakens · Relationship strength 0.16 (weight 0.4 × strength 0.4)
Observed
70% of 10-year-olds · 70 above the normal line (2022)
Worse than normalTwo readings: 57% of 10-year-olds (2019) and 70% of 10-year-olds (2022).
20192022 Above normal = worse
Strengthens · Relationship strength 0.14 (weight 0.4 × strength 0.35)
Observed
472 PISA score points · 28 below the normal line (2022)
Worse than normal7 readings, 2003–2022: fell from 499 PISA score points to 472 PISA score points.
Above normal = better
Weakens · Relationship strength 0.12 (weight 0.4 × strength 0.3)
Observed
11% of primary-school-age children · 11 above the normal line (2023)
Worse than normalAbove normal = worse
Evidence
The sources behind this fact and its verification state.
- 1.Stanford Encyclopedia of Philosophy — GalileoStanford Encyclopedia of Philosophy · High credibility · verified
- 2.Britannica — Galileo, Pisa chairEncyclopaedia Britannica · High credibility · verified
What the sources establish
Official locator: Stanford Encyclopedia of Philosophy — Galileo, Venus phases at https://plato.stanford.edu/entries/galileo/ (opens in a new tab) (Stanford Encyclopedia of Philosophy). Independent locator: Britannica — Galileo, Venus at https://www.britannica.com/biography/Galileo-Galilei (opens in a new tab) (Encyclopaedia Britannica). Official carrier: Stanford Encyclopedia of Philosophy — Galileo, Venus phases (https://plato.stanford.edu/entries/galileo/ (opens in a new tab); Stanford Encyclopedia of Philosophy). Independent carrier: Britannica — Galileo, Venus (https://www.britannica.com/biography/Galileo-Galilei (opens in a new tab); Encyclopaedia Britannica).
Established: a sourced public record of Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order under 1610-12-01 for Galileo Galilei. Established: a sourced public record of Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order under 1610-12-01.
Shared responsibility is part of Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order. Naming Galileo Galilei does not delete co-authors, institutions, or later transmitters. The lag from 1610-12-01 to any measured indicator is not treated as zero. Alternative explanations — weather, other armies, later statutes, or independent cultural change — remain live where the sources do not close them.
If a number is not in the two records named above, it is not supplied here.
Later competitions, monuments, translations, UNESCO listings, museums, and adaptations are not converted into extra lifetime acts.
Causal path
How this event connects to drivers and indicators in the graph.
- ActorGalileo Galilei
- contributed toFactGalileo reports phases of Venus as a dated public argument against simple Ptolemaic order
- strengthensDriverDigital Learning Access
- weakensIndicatorLearning Poverty Rate (low- and middle-income countries)
Cite this page
Factrail. (2026). Galileo reports phases of Venus as a dated public argument against simple Ptolemaic order. Factrail. https://factrail.ai/facts/gal-venus-phases
https://factrail.ai/facts/gal-venus-phases
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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