Social Media Falsehoods Claimed Earth Has Two Moons
Viral claims incorrectly stated a new moon appeared in the sky, despite asteroid 2025 PN7 being invisible.
Updated on Sept. 29, 2026 in Space
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Social media users recently circulated false reports suggesting Earth gained a second moon. In reality, the object in question is a small asteroid that remains entirely invisible to the naked eye.
Why it matters
The misinformation likely stemmed from the asteroid's orbital path around the sun, which mimics Earth's own, leading to confusion about its proximity and visibility. Public misunderstanding of celestial mechanics highlights the ease with which space-related myths spread online.
Asteroid 2025 PN7 measures only 60 feet in diameter, significantly smaller than the moon's 2,159-mile diameter. At its closest approach in 2026, the asteroid remained 2.8 million miles from Earth, far beyond the moon's average distance of 238,000 miles.
The details
While the asteroid's orbit creates the illusion that it is tethered to Earth, its physical characteristics make it impossible to see without professional equipment. Even at its brightest point on August 4, 2026, the object was too dim for amateur telescopes or binoculars to detect.
Timeline
August 4, 2026: Asteroid 2025 PN7 reached its brightest apparent magnitude.
September 29, 2026: Social media claims incorrectly asserted the arrival of a second moon.
The Big Picture
This event follows a recurring pattern in the digital age where basic astronomical concepts are distorted by social media users to generate viral intrigue. It reflects a broader trend of misinformation surrounding space phenomena, similar to the 2012 Mayan Apocalypse internet rumor.
Readers should rely on verified astronomical data rather than social media posts when evaluating claims about celestial bodies. Understanding the limits of naked-eye visibility helps differentiate between scientifically significant events and common online fabrications.
The takeaway
Misinformation thrives when technical concepts like apparent magnitude are misunderstood by the general public. Always verify sensationalist celestial news through established space agencies to avoid falling for digital myths.
Further reading
Learn more about how researchers track near-Earth objects in the Space section.
Source note: This article includes information reported by Snopes.
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