Drag the darkness across the same patch of sky. The stars do not move, and no new ones arrive — the background simply stops shining. At the end, a grain of sand falls through the air.
Bright enough to show in summer twilight — 3
Only come through as the sun sinks deeper — 68
Glowing air, not stone
−18°
how far the sun must sink before the night is astronomically dark
20 Aug
roughly when true darkness returns over Oslo
11–72
kilometres per second — how fast the stone hits the air