Feb 14, 2025 · Phillipa - The Sun, and other stars, create energy in their hot dense cores using hydrogen as fuel, which is available in large quantities. The nucleus of a hydrogen atom is a single …

Jul 1, 2007 · The sun itself is made of gas, mostly hydrogen and helium, and so does not have a solid surface like you would find on Earth or Mars. However, if you look at a photo of the Sun, you can see …

Jun 5, 2011 · Dominic - Yes. Photons are being produced all throughout the Sun; but the Sun is made of a cloudy material because the protons and electrons inside the Sun can interact with those photons. …

May 10, 2009 · If the sun gets too hot it will expand, slowing down the nuclear reactions that power it and cooling it down so it could be said to do this. Response to stimuli - if you metaphorically poke …

Mar 4, 2025 · That path, as it goes around the Sun, can come closer to the Sun than the Earth, and that lets it come into our neighbourhood. We would call that a near-Earth or Earth-crossing asteroid. …

Jun 8, 2021 · How has the Sun has influenced mankind’s thinking over millennia? From ancient calendar-like Stonehenge to the alignments of temples and pyramids that would have shown our …

Dec 6, 2024 · So this meant incoming radiation from the sun was strong enough to be able to break apart molecules in the atmosphere. Water was broken up into hydrogen and oxygen. Given Venus is …

Jul 16, 2006 · People used to think that when you looked at the Sun, the bright light made your eyes water, the water ran down into your nose, tickled your nose and made you sneeze.

May 26, 2016 · Andrew - We don't need to go to the sun to find out what it's made of. We can look at the light which the sun emits and the key to it is that different elements emit particular patterns of light, a …

Mar 13, 2015 · How do satellites stay in orbit? Why do my fingernails grow at different speeds on each hand? What is the sun made of? Where did the liquid in my cans go? Why do some children turn …