Martin J. Rees · 208 pages
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“The sun has adjusted its structure so that nuclear power is generated in the core, and diffuses outward, at just the rate needed to balance the heat lost from the surface-heat that is the basis for life on Earth.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
“Our universe, extending immensely far beyond our present horizon, may itself be just one member of a possibly infinite ensemble. This ‘multiverse’ concept, though speculative, is a natural extension of current cosmological theories, which gain credence because they account for things that we do observe. The physical laws and geometry could be different in other universes, and this offers a new perspective on the seemingly special values that the six numbers take in ours.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
“[The fine structure constant] ... defines how firmly atomic nuclei bind together and how all the atoms on Earth were made. Its value controls the power from the Sun and, more sensitively, how stars transmute hydrogen into all the atoms of the periodic table.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
“A measure of the strength of a body's gravity is the speed with which a projectile must be fired to escape its grasp. It takes 11.2 kilometers per second to escape from the Earth. This speed is tiny compared with that of light, 300,000 kilometers per second, but it challenges rocket engineers constrained to use chemical fuel, which converts only a billionth of its so-called mass 'rest-mass energy' (Einstein's mc^2) into effective power. The escape velocity from the sun's surface is 600 kilometers per second-still only one fifth of one percent of the speed of light.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
“More energy is needed to rise a millimetre above a neutron star's surface than to break completely free of Earth's gravity. A pen dropped from a height of one metre would impact with the energy of a ton of TNT (although the intense gravity on a neutron star's surface would actually, of course, squash any such objects instantly). A projectile would need to attain half the speed of light to escape its gravity; conversely, anything that fell freely onto a neutron star from a great height would impact at more than half the speed of light.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
“The Sun contains about a thousand times more mass than Jupiter. If it were cold, gravity would squeeze it a million times denser than an ordinary solid: it would be a 'white dwarf' about the size of the Earth but 330,000 times more massive. But the Sun's core actually has a temperature of fifteen million degrees-thousands of time hotter than its glowing surface, and the pressure of this immensely hot gas 'puffs up' the Sun and holds it in equilibrium.”
― Martin J. Rees, quote from Just Six Numbers: The Deep Forces That Shape the Universe
Martin J. Rees
Born place: in York, The United Kingdom
Born date June 23, 1942
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“Thank you.” Isn’t that all we need to hear sometimes—that you’re a good mom or friend or daughter or wife?”
― Renee Carlino, quote from Before We Were Strangers
“Tanks are nothing unless they’re kept moving. Because if you leave them static, a determined team can destroy them every time.”
― James A. Michener, quote from Sáu Người Đi Khắp Thế Gian (Quyển 1)
“I wear my mistakes like badges of honor, and I celebrate them.”
― Amy Schumer, quote from The Girl with the Lower Back Tattoo
“I don’t want my past to determine my future—and my future is you, Josh.”
― Jay McLean, quote from Kick, Push
“But God, I don’t doubt You. I can see You in the morning, in the dew on the grass. Should I worship You in silence, without the obeisance and obedience to Your ministers? Should I stop singing and, within me, let my deeds speak of my belief and gratitude in Your greatness?
The men who taught us of Your presence, who opened the doors of Your temple that I may see the light – they are white like You. Are You then the god of white people, and if we who are brown worship You, do we receive Your blessings as white men do?
I pray that You be not white, that You be without color and that You be in all men because goodness cannot be encased only in white.
I should worship then not a white god but someone brown like me. Pride tells me only one thing – that we are more than equal with those who rule us. Pride tells me that this land is mine, that they should leave me to my destiny, and if they will not leave, pride tells me that I should push them away and should they refuse this, I should vanquish them, kill them. I have known long ago that their blood is the same as mine. No stranger can come battering down my door and say he brings me light. This I have within me.”
― F. Sionil José, quote from Dusk
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