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- A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is...22 KB (3,157 words) - 10:00, 28 June 2024
- In physical cosmology, Big Bang nucleosynthesis (also known as primordial nucleosynthesis, and abbreviated as BBN) is the production of nuclei other than...33 KB (4,404 words) - 16:04, 28 June 2024
- Shavit 2 (Hebrew: "comet" – שביט) is a small lift launch vehicle produced by Israel from 1982 onwards, to launch satellites into low Earth orbit. It was...23 KB (1,593 words) - 14:33, 24 May 2024
- Ofeq, also spelled Offek or Ofek (Hebrew: אופק, lit. Horizon) is the designation of a series of Israeli reconnaissance satellites first launched in 1988...11 KB (1,094 words) - 17:58, 28 June 2024
- In the fields of Big Bang theory and cosmology, reionization is the process that caused electrically neutral atoms in the universe to reionize after the...39 KB (4,602 words) - 17:53, 18 July 2024
- The Concurrent Design Facility (CDF) is the European Space Agency main assessment center for future space missions and industrial review. Located at ESTEC...18 KB (372 words) - 01:44, 5 December 2023
- An HI region or H I region (read H one) is a cloud in the interstellar medium composed of neutral atomic hydrogen (HI), in addition to the local abundance...4 KB (474 words) - 03:49, 16 May 2024
- The RD-253 (Russian: Ракетный Двигатель-253 (РД-253), romanized: Raketnyy Dvigatel-253, lit. 'Rocket Engine-253') and its later variants, the RD-275 and...14 KB (868 words) - 19:51, 23 July 2024
- The Baikal booster (Russian: Байкал) was a proposed reusable flyback booster for the Angara rocket family based on the Angara Universal Rocket Module in...4 KB (456 words) - 18:33, 14 June 2024
- Boris Vladimirovich Morukov (Russian: Бори́с Влади́мирович Моруков; 1 October 1950 – 1 January 2015) was a Russian physician at the State Research Center...6 KB (638 words) - 12:25, 20 March 2024
- 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...6 KB (433 words) - 19:48, 6 July 2024