NASA’s Artemis II Rapor: Warna bulan bukan kuning dan putih, melainkan “coklat hijau

Astronauts on NASA’s Artemis II mission saw a much more colorful landscape during their close flyby of the moon than they expected. The “yellowish yellow” and “mud green” tones the crew encountered on the moon’s surface were revealed in a new report. The area known as the Aristarchus Plateaus is located on the moon’s facing side. This wide and high terrain is one of the most densely populated areas of the moon’s oldest volcanic features. It contains dark lava pools and colorful volcanic glass fragments. Surprised by the distinct yellow tones she encountered in the area, mission specialist Koch described the plateau as “yellow snow mountains.” She described the bright “snow” of the craters as “the moon’s yellowed cheek.” Pilot Glover shared her observations while filming the area: “Now there are so many colors. There’s also green. Especially in Aristarchus and to the north, I see brown stripes going down.” According to the report’s authors, these colorful tones can be associated with volcanic glass particles in different regions of the moon, similar to titanium-rich yellow and magnesium-rich green glass beads. These colorations could shed light on the selection of landing and exploration sites in future missions. Another colorful area that caught the crew’s attention was a massive impact crater. Described as being about three times the width of Massachusetts, this young and highly-rimmed crater spans both the moon’s facing and unseen sides. Rarely visible from Earth, the structure completely covered the area as the crew entered orbit behind the moon. Mission commander Wiseman said the structure “created chaos throughout the entire area.” As the crew passed through the wide basin, they noticed gray, brown, tan, and green tones. Koch saw “almost mud-like colors” on the outer rim of the basin, while Glover described a landscape of white dust-like layers on the slopes and peaks of the mountains. The crater chains moving away from the impact center gave Koch the impression of “bubbles rising from under the water.”

These observations may seem random, but the Artemis II crew spent more than two years training to study and describe the Moon’s geology. This included individual and classroom lectures, simulated flight transitions, and studying “reference materials of their choice” while on board the Orion capsule.

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