Claim: Did the sun fire two X-class solar flares at Earth this week?

First requested: April 27, 2026 at 10:18 AM
96%

IsItCap Score

Truth Potential Meter

Highly Credible

AI consensusStrong

Grader consensus is strong.
Range 95%–100% (spread Δ5).
The three graders converge, so the combined score is relatively stable.
Read analysis summary

OpenAI Grade

0%
20%
40%
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80%
95%

Perplexity Grade

0%
20%
40%
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100%

Google Gemini Grade

0%
20%
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95%

Analysis Summary

The claim that the sun fired two X-class solar flares at Earth this week is true. NASA and other reputable sources confirm that two X-class flares occurred on April 23 and 24, 2026. These flares were significant enough to cause radio blackouts on Earth's sunlit side. There are no credible sources disputing this event, which strengthens the claim's validity. The panel lands on a very similar score. Perplexity comes in highest (100%), while OpenAI is lowest (95%). There are no opposing claims regarding the occurrence of the two X-class solar flares. All evidence supports the assertion that these flares were emitted by the sun on the specified dates. The absence of contradicting evidence further solidifies the claim's accuracy, leaving little room for uncertainty regarding the event.

Source quality

Truth (from sources)9.00 / 10
Source reliability9.00 / 10
Source independence8.00 / 10

Claim checks

Fits established facts9.00 / 10
Logical consistency9.00 / 10
Expert consensus9.00 / 10

Source Analysis

Common arguments
Supporting the claim
  • NASA confirms two X-class flares (X2.4 on Apr 23, X2.5 on Apr 24) captured by Solar Dynamics Observatory.
  • Flares caused radio blackouts on Earth, confirming Earth-directed radiation impact.
  • Multiple sources (NASA, Space.com, EarthSky) report the events within this week.
Against the claim
  • Sunspot on western edge makes direct CME hits unlikely.
  • No confirmation of major geomagnetic storms or auroras from these flares.
  • Focus on radiation effects, not physical plasma ejections at Earth.

Mainstream Sources

Publication

science.nasa.gov

Title

Sun Releases 2 Strong Solar Flares

Summary

NASA reports the Sun emitted two strong X-class solar flares on April 23 and 24, 2026, captured by the Solar Dynamics Observatory. The first was an X2.4 flare peaking at 9:07 p.m. ET on April 23, and the second an X2.5 flare at 4:13 a.m. ET on April 24.

Source details

Type: Official
Published: 2026-04-24
Primary Data

Publication

space.com

Title

Sun unleashes 2 colossal X-flares within 7 hours of each other

Summary

The Sun fired two X2.5 solar flares within 7 hours on April 23-24, 2026, causing radio blackouts on Earth's sunlit side. Accompanied by possible CMEs, but sunspot on western edge makes direct Earth hit unlikely.

Source details

Type: Major Media
Published: 2026-04-24
Secondary Reporting

Publication

earthsky.org

Title

Sun news: M flares persist, CMEs nudge Earth

Summary

Solar activity high with two X-flares on April 23-24, 2026, followed by M-flares. Confirms 2 X-class flares in past 24 hours from 11 UTC April 23 to 11 UTC April 24.

Source details

Type: Major Media
Published: 2026-04-24
Secondary Reporting

Alternative Sources

No alternative sources were found for this analysis.

Analysis Breakdown

True/False Spectrum (9.0)Source Credibility (9.0)Bias Assessment (8.0)Contextual Integrity (9.0)Content Coherence (9.0)Expert Consensus (9.0)88%

How to read the breakdown

Weakest areas
Independence8.0/10Truth9.0/10
  • Truth: how well sources support the core claim.
  • Source reliability: whether the sources have a strong track record.
  • Independence: whether coverage looks one-sided or recycled.
  • Context: missing details (timeframe, definitions, scope) that change meaning.
  • Tip: if graders disagree, rely more on the summary + sources than the single number.

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Methodology