3 events, from 1948 to 1962
1948 · 78 years ago · Asunción, Paraguay
Eyewitnesses observed an oval object moving from west to east, leaving a colorful trail of green, yellow, and orange. Additional sightings described the object as moving slower than an airplane, with a bright green halo along its edges.
Read the original file in the archive →1962 · 64 years ago
During MA-6, with the first sunrise of each of his three orbits, John Glenn observed thousands of small, yellowish-green glowing particles outside his spacecraft window. They drifted slowly and faded as the sun rose. Glenn initially wondered if they were chaff or frozen water from the spacecraft.
Read the original file in the archive →1962 · 64 years ago
John Glenn reported a luminous band above the night horizon. Scott Carpenter, using a filter, identified it as an airglow layer at a wavelength of 5577 angstroms. Timed observations placed its densest part at an altitude of approximately 89 kilometers.
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