Ask an AstronomerAs the speed of light is such a critical factor in the search for ET, we rounded up all our questions related to c and gave them to Francesca Pearce. With Mateusz Malenta, she tackles questions from Ben Dyer, Henning Vester Jorgensen and Tom Perry who all have concerns about the nature and propagation of light, and time.
Ask an AstronomerMinnie, Ben and George answer your astronomical questions: Galaxy Collisions, telescopes and asteroidsAlex asks, "What would happen if our galaxy collided with another?"Oliver asks us what kind of object are visible with telescopesGillian wants to know about the ever-present dangers from space
Ask an AstronomerMinnie, Ben, and George answer your astronomical questions:June asks: "What is a radio galaxy? (Bonus question: What do astronomers do all day?")Alexander asks: "When will Halley's comet be returning?"Assya asks: "How many astronomers are in space?"
Ask an AstronomerMinnie, Ben and George answer your astronomical questions: The distance to the Sun, life on Mars and the number of stars in the UniverseEmelia asks, "How far away is the Sun?"Natalie wants to know if there's life on MarsJoshua asks "How many stars are there in space?"