Why are comets and asteroids discovered when they are farthest from the Sun?.What are asteroids and where do they come from?.What is a comet? Where do comets come from?.What determines a moon’s atmosphere? (Why is Titan’s so dense?).If you lived on Saturn, would its rings be visible from the equator or the poles?.What happened to the “spokes” in Saturn’s rings?. Is there any other planet besides Earth whose moon(s) would fit perfectly over the Sun?.Will all eight planets ever line up on the same side of the Sun?.Why do the outer, gas-giant planets rotate faster than the inner, terrestrial planets?.What are the smallest and largest planets in our solar system?.How many planets are in our solar system?.When will the last total solar eclipse occur?. Discover the difference (and evidence for) dark energy and dark matter, and learn about worlds closer to home such as Venus and Saturn. Science-Based Q&Aĭeepen your knowledge of astronomy as a science as you browse these Q&As and learn about the universe’s fascinating array of celestial bodies, from planets to stars to black holes. What’s a black hole? What will a larger aperture telescope get you? This is the place to come for answers to almost every astronomy question you can think of - and many you haven’t.
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