11 October 2026: science, space history and recruitment quiz

Shepard—first American in space; Glenn—first American to orbit Earth — NASA’s chronology records Shepard’s suborbital flight on 5 May 1961 and Glenn’s orbital flight on 20 February 1962.

Endeavour — NASA’s STS-47 record identifies Endeavour as the shuttle.

Valentina Tereshkova — NASA’s HEASARC chronology identifies Tereshkova and this date.

Space-station science officer — NASA’s historical release identifies Whitson as its first space-station science officer on Expedition 5.

A water-storage pool — NOAA calls storage locations pools and movements between them fluxes.

The region generally has wet summers — Long-term typical conditions describe climate; the other choices describe conditions at a particular time.

3.5% — 35 divided by 1,000 equals 0.035, or 3.5%; NOAA gives this approximate average seawater salinity.

Temperature and salinity — NOAA explains density differences associated with temperature and salinity.

High pressure at depth — NOAA explains that extreme pressure at vent depths prevents the hot water from boiling.

155/2026 — The original category 155/2026 notice invites qualified Scheduled Tribe candidates for Higher Secondary School Teacher—Statistics.