Jessie Christiansen
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Charles Cockell
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China's space diplomacy lifts Pakistani astronaut toward orbit
TWO Pakistani pilots are memorising Mandarin, spinning in centrifuge drills and learning to eat, sleep and repair equipment while weightless as a decision nears on which one will become the first…
Br. Guy Consolmagno SJ
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Introduction to the 100th Anniversary Debate
This “Life in the Universe” debate in 2020 has a quite different format than the commemorated “Scale of the Universe” debate in 1920.
Glossary of Commonly Used Terms and Abbreviations in the 100th Anniversary Debate
biosignature: A biological marker of life. For example, DNA. Drake Equation: A simple equation used to estimate the abundance of intelligent and communicative life in our galaxyexoplanet: A planet…
Astronomy Picture of the Day’s Frequently Asked Questions (FAQ)
Q1: What does APOD stand for? A1: APOD stands for the Astronomy Picture of the Day. We abbreviate this as APOD instead of ApotD because APOD sounds better (spoken: AYE-pod).