← Back to Training
MCQBeginnerSpace Exploration & Observational Astronomy
BAAO — 2021 Astronomy & Astrophysics Challenge
Question 1
As of September 2021, which of the following billionaires has not been into space (defined as at least 80 km above the surface of the Earth)?
Sign in to save your progress.
Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2021. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.