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Questions and Answers

Where in the sky is the Lagrange L2 point to which the James Webb Space Telescope is flying?

Questions and Answers

How come the ocean in the Caribbean has almost no tidal range?

Questions and Answers

Isn’t a black hole just the matter of the star?

Questions and Answers

Why is it not assumed that ‘black matter’ is simply the remnants of the Big Bang?

Questions and Answers

What happens when an astronaut takes off his helmet in space?

Questions and Answers

Can we put mirrors on the moon to reduce the need for street lighting at night?

Questions and Answers

How much does Jupiter weigh (kg)?

Questions and Answers

Can Hubble detect the Betelgeuse supernova earlier than we do on Earth?