page_title: Seleucus (crater)
hierarchical_section_title: Seleucus (crater)
caption_attribution_description: English: Oblique view of Seleucus, on the moon, while it was at the sunrise terminator. Facing south. In Apollo Over the Moon: A View from Orbit (online version) (NASA SP-362, 1978), the caption of Figure 31, which is similar to the source image of this file, mentions Seleucus as follows: The crater Seleucus, 42 km in diameter, is shown in sunrise along the right (west) edge of the frame. The narrowness of its rim and the abrupt contact between its raised rim and the surrounding mare prove that the final mare flooding occurred after the crater was formed. In other words, the crater predates at least the youngest mare basalts in this area.
context_page_description: Seleucus is a lunar impact crater located in the western part of Oceanus Procellarum. To the west is the lava-flooded remains of the walled plain Eddington. To the southwest is the crater Krafft and to the northwest lies Briggs.
  The rim of Seleucus is well-formed, with a terraced inner rim and a slight rampart. The floor is relatively flat, with a small central peak. A bright ray from Glushko crater, about 500 km to the southwest, grazes the southeastern rim of Seleucus.
  The narrowness of the rim of Seleucus and the abrupt contact between its raised rim and the surrounding mare prove that the final mare flooding occurred after the crater was formed, and so the crater is older than the youngest mare basalts in the vicinity.
  Approximately 50 kilometers to the southeast of Seleucus, on the Oceanus Procellarum, is the landing site of the Soviet landing craft Luna 13.
context_section_description: Seleucus is a lunar impact crater located in the western part of Oceanus Procellarum. To the west is the lava-flooded remains of the walled plain Eddington. To the southwest is the crater Krafft and to the northwest lies Briggs.
  The rim of Seleucus is well-formed, with a terraced inner rim  and a slight rampart. The floor is relatively flat, with a small central peak. A bright ray from Glushko crater, about 500 km to the southwest, grazes the southeastern rim of Seleucus.
  The narrowness of the rim of Seleucus and the abrupt contact between its raised rim and the surrounding mare prove that the final mare flooding occurred after the crater was formed, and so the crater is older than the youngest (uppermost) mare basalts in the vicinity.
  Approximately 50 kilometers to the southeast of Seleucus, on the Oceanus Procellarum, is the landing site of the Soviet landing craft Luna 13.
caption: Oblique view facing south from Apollo 15, while at the sunrise terminator
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