Are All Stars Suns | Jacks Of Science
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Are All Stars Suns | Jacks Of Science
Yet in reality, the solar system is heliocentric – centred on the sun, not the Earth – and the Earth is not at rest but in complex motion.
David Deutsch • The Beginning of Infinity: Explanations That Transform the World
Scientific explanations are about reality, most of which does not consist of anyone’s experiences. Astrophysics is not primarily about us (what we shall see if we look at the sky), but about what stars are: their composition and what makes them shine, and how they formed, and the universal laws of physics under which that happened.
David Deutsch • The Beginning of Infinity: Explanations That Transform the World
All living creatures and plants derive their life from the sun. If it were not for the sun, there would be darkness and nothing could grow—the earth would be without life. Yet the sun must have the help of the earth. If the sun alone were to act upon animals and plants, the heat would be so great that they would die, but there are clouds that bring
... See moreStephen Harrod Buhner • The Lost Language of Plants: The Ecological Importance of Plant Medicine to Life on Earth
How astonishing that being bathed in rays of light from a 4.6-billion-year-old mass of hydrogen and helium located 93 million miles away can make us feel happy?
Sasha Sagan • For Small Creatures Such as We: Rituals for Finding Meaning in Our Unlikely World
On a diagram of the solar system to scale, with the Earth reduced to about the diameter of a pea, Jupiter would be over 300 metres away and Pluto would be two and a half kilometres distant (and about the size of a bacterium, so you wouldn’t be able to see it anyway). On the same scale, Proxima Centauri, our nearest star, would be 16,000 kilometres
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