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.
This is a fiction/fan codex: entries describe an in-universe canon. Our audits check canon and internal consistency — external fact-checking does not apply the way it does on real-subject codexes.
Last full accuracy audit: 2026-07-26 · 30 entries checked · 8 flagged · 11 issues confirmed · 8 corrected · 3 still open
PSR B1257+12 b — The entry states 'Before 1992, planets were thought to be exclusive to stable stars like our Sun.' Factually, no exoplanets had been confirmed prior to 1992; their existence outside the Solar System was unproven rather than restricted to specific star types.
PSR B1257+12 b — The mass comparison for PSR B1257+12 b ('roughly twice the Moon's mass') is inaccurate. At approximately 0.02 Earth masses, it is roughly 1.6 times the Moon's mass (Moon is ~0.0123 Earth masses), not double.
V616 Monocerotis — The entry incorrectly states V616 Monocerotis (A0620-00) has a mass of approximately 11 M☉; established dynamical measurements consistently cite the mass at approximately 6.6 M☉.
V616 Monocerotis — The entry misattributes the canonical ~6.6 M☉ mass to GRO J1655-40 in the 'Did You Know' section, whereas this figure belongs to A0620-00 (V616 Monocerotis), and GRO J1655-40 is approximately 6.3 M☉.
Small Magellanic Cloud — The Small Magellanic Cloud does not extend into the constellation Dorado; it is located in Tucana and Hydrus. The Large Magellanic Cloud is the one that extends into Dorado.
Triangulum Galaxy — In the 'DID YOU KNOW' section, NGC 604 is incorrectly described as a 'star cluster'; it is astronomically classified as an H II region (stellar nursery/nebula) that contains star clusters, not a single star cluster itself.
Cassini-Huygens — Intro: Cassini did not 'weave through the rings' for nearly thirteen years; it orbited Saturn for that duration, with ring crossings occurring primarily during the final phase (Grand Finale) in 2017.
Mars — The entry incorrectly states a Sol is 'just under two Earth days longer than an Earth day'; it is actually only approximately 39 minutes longer.
Mars — The entry describes Mars as 'the second-smallest in our Solar System' without qualification, which is incorrect because Mercury and other bodies are smaller; it should specify 'second-smallest planet'.
Uranus — Uranus exhibits retrograde rotation due to its axial tilt exceeding 90 degrees (~98°), not prograde as stated; claiming it spins in the same direction as other planets relative to the stars is incorrect regarding standard astronomical definitions of angular mo
Canopus — The entry states Canopus 'never rises above the horizon for observers north of latitude 37°N'; geometrically, with a declination of -52.7°, it remains visible up to approximately 37.3°N (and further with refraction), making the claim that it never rises north
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