NASA officials

“fresh material excavated from deeper underground,”

NASA officials · said 2026-08-18 · reported 2026-08-19

NASA officials described the brighter streaks near the crater rim as freshly excavated material in the same Aug. 18 statement.

“The darker streaks are made of surface dust and rocks altered over a long time by solar wind, galactic cosmic rays, and micrometeorite impacts. This weathered material was excavated by the collision,”

NASA officials · said 2026-08-18 · reported 2026-08-19

NASA officials explained the darker streaks around the impact crater in an Aug. 18 statement.