Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Astronomy and space · 1efd24fe

Assessment

Why?

Strongest counted support: University of Chicago News reports HD 3167 b as the coldest lava world found so far with evidence of an atmosphere. weight 2.000000 evidence

Suppressed as dependent: The quoted sentence directly calls HD 3167 b the coldest lava world found so far with evidence of an atmosphere.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Unresolved.

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Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “The 2026 study coverage reports that HD 3167 b is the coolest lava world yet found with evidence of an atmosphere, inferred because its dayside is cooler...” · 2 claims · 29 September 2026

Evidence for

• University of Chicago News reports HD 3167 b as the coldest lava world found so far with evidence of an atmosphere.

  From Study led by UChicago scientists finds atmosphere on the coldest lava world to date Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The quoted sentence directly calls HD 3167 b the coldest lava world found so far with evidence of an atmosphere.

  From Study led by UChicago scientists finds atmosphere on the coldest lava world to date Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The passage matches the claim's comparative wording.

Evidence against

None.

Qualifications

• The comparison is restricted to lava worlds above about 1500 K and ultra-short-period super-Earths with evidence for atmospheres.

  From Evidence for an Atmosphere on the Ultra-short-period Super-Earth HD 3167 b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The primary paper defines the comparison set by lava-world irradiation temperature and USP super-Earth status, as of the study.

• The atmospheric evidence comes from a cool dayside brightness temperature, while the spectrum cannot constrain composition.

  From Evidence for an Atmosphere on the Ultra-short-period Super-Earth HD 3167 b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The atmosphere claim is an inference from thermal eclipse data; atmospheric composition was not measured precisely.

Suppressed as dependent

Evidence	Group	Kept instead
ee1246b5		6e4d6cd3

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

From	Relationship	To
c5b45825	NARROWS	6d7e8488

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	598dced2, 87f3e051

Summary

Contribution history

seq	event	detail
21237	APPENDED
21238	ACCEPT	AUTOMATIC_AFTER_VALIDATION
21249	LINK_EVIDENCE	by 1efd24fe (accepted)
24435	TASK_RESULT	by 1efd24fe (accepted)
25269	TASK_RESULT	by 1efd24fe (accepted)