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Historical caseStructured for retrospective review and comparison against modern sightings.

TIL that the discoverer of Pluto Clyde Tombaugh was interested in UFOs, and in 1949, he told that he had seen a bright flash on Mars on August 27, 1941, which he now attributed to an atomic blast.

Unknown2 witnessesOpinionAug 20, 1949, 12:00 AMLas Cruces, New Mexico

Witnesses

2 witnesses

Duration

Unknown

Source material

3

Timeline

2

Source context

Limited context

43

Interesting, but still missing stronger corroboration or harder source material.

Source provenance

r/aliens

Live sighting record f8b13455-5533-4c43-b67a-8810d88d8dfb.

Using the selected case's real source, media, and context throughout the workspace.

Correlations

Field Intelligence

Sunlight window

Daytime — sun above horizon

Sighting occurred during daylight hours

Solar window

Sunrise5:35 AM
Sunset6:47 PM
Day length13h 12m

Weather

Open-Meteo
ConditionsMainly clear
Temperature93°F
Cloud cover49% · Partly cloudy
Wind3 mph

Area activity

Within 2 daysNo sightings within 60 mi

Extracted details

Observed facts

Occurred

Aug 20, 1949, 12:00 AM

Timezone

Mountain Time

Location

Las Cruces, New Mexico

Observers

2 witnesses

Witness account

Narrative

So Clyde Tombaugh , the guy who discovered Pluto , actually saw some weird stuff himself and talked about it publicly. August 20, 1949, he and his wife were outside near Las Cruces, New Mexico and saw six to eight rectangular lights go by. He said he was pretty much frozen in shock watching it, and that in all his years of staring at the sky he never saw anything like it again. He didn't think it was aliens though. He kept saying the more likely answer was some kind of weird optical thing hap...

Case progression

Timeline

Encounter windowAug 20, 1949, 12:00 AM

Witnesses place the encounter near Las Cruces, New Mexico.

PublishedJul 24, 2026, 5:53 AM

r/aliens carried the report into the source network.

Ledger

Source material

media

Cover image

Open

Visual reference carried with the original report.

source

Original report

Open

Direct source material from r/aliens.

telemetry

Environmental pass

Historical atmosphere, astronomy, and nearby infrastructure were resolved for this case.