Here are details about a :
Space commemorative cover
or Space Cover.
Kosmodrom / Plats : USA
Stämpeldatum: 13 Oct. 2023
Upplaga : 300 exemplar
Händelsetyp : Uppskjutning
Startplatta / Plats : USA Merritt Island (FL)
Bemannad / Robotisk Mission : Robotisk
Uppdragsmål/Typ : Universumobservation
ou?/where?: au sol - ground
autographe?: non - noneBeskrivning : The Psyche mission will explore one of the most intriguing targets in the main asteroid belt ? a giant metal asteroid, known as 16 Psyche, about three times farther away from the sun than is the Earth. This asteroid measures about 130 miles (210 kilometers) in diameter and, unlike most other asteroids that are rocky or icy bodies, is thought to be comprised mostly of metallic iron and nickel, similar to Earth?s core. Scientists wonder whether Psyche could be an exposed core of an early planet that could have been as large as Mars, but which lost its rocky outer layers due to a number of violent collisions billions of years ago.
Nyckelord :
#Komet,
#Raket,
#Rymdskepp,
#Satellit,
#Stenar i skyn, RYMDREVYN : 12 - 2023 Senast ändrad: 19/01/2024 @ 17h11
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USA 3696 | 8,- |
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Sida : future · Ref: USA 3696 Rymdhändelse : PSYCHE · DISCOVERY 14
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