We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-09-06 · 32 entries checked · 25 flagged · 51 issues confirmed · 0 corrected · 51 still open
Acrux — The entry states Acrux was the second star system ever recognized as a binary, in 1685 by a Jesuit priest, but the binary nature was discovered by Nicolas-Louis de Lacaille in 1751–1752, and he was not a Jesuit priest.
Acrux — The entry lists the number of components as 7, but the widely accepted count is 5 or 6 stars, and the claim of a red dwarf α Cru D first identified in 1999 is not supported by established astronomical catalogs.
Algol — The entry implies the Copley Medal was awarded directly for the presentation, but the medal's specific citation was for his observations of the period of Algol and his hypothesis of a dark body.
Algol — The entry states that Edward Charles Pickering presented evidence in 1881 that Algol was an eclipsing binary, but Pickering's paper suggesting this was published in 1880, and definitive spectroscopic confirmation came from Hermann Carl Vogel in 1889.
Asteroseismology — The claim that modes can only be detected up to an angular degree of about 3 in intensity and about 4 in radial velocity is too restrictive and not universally accurate; higher ℓ modes (e.g., ℓ up to 25 or more) can be detected for certain stars or with high-q
B(e) star — The 'Lizard Autotomy Effect' is not a real or widely-known astronomical mechanism; it appears to be an invented term with no basis in established canon.
Be star — The entry states that Gamma Cassiopeiae was 'the first star ever seen with emission lines' and 'the first star ever observed with emission lines,' which is inaccurate because the Sun's chromosphere shows emission lines and novae had been observed with emission
Beta Pictoris — The claim that Beta Pictoris c is the closest extrasolar planet to its star ever photographed is outdated or incorrect; as of current knowledge, planets like those in the TRAPPIST-1 system or other directly imaged planets at smaller separations (e.g., PDS 70 b
Beta Pictoris — The claim that 'material from it is thought to be the dominant source of interstellar meteoroids in the Solar System' is not established canon; interstellar meteoroids are primarily thought to originate from other systems or the interstellar medium, and Beta P
Black dwarf — The entry states the universe's age as 13.79 billion years, but the widely accepted current value is approximately 13.8 billion years.
Black dwarf — The entry's phrasing implies that white dwarfs cooled below 3,900 K were found as black dwarfs or near-black dwarfs, but they are still white dwarfs, not black dwarfs.
Blue giant — The entry states that massive blue giants evolve through blue giant, bright blue giant, blue supergiant, and yellow supergiant classes toward red supergiants, but very massive stars (above about 30–40 solar masses) often skip the red supergiant phase and evolv
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