IRB Media 
Summary of Dr. Becky Smethurst’s A Brief History of Black Holes [EPUB ebook] 

Please note: This is a companion version & not the original book. Book Preview: #1 If you want to be awed by the night sky, stand outside with your eyes closed and see how your night vision develops. You ll be surprised at how much you can see.#2 The Sun is at the centre of our Solar System, and all other objects orbit it. This was proven by the efforts of Tycho Brahe, Johannes Kepler and Isaac Newton over the next century or so.#3 In the late 1600s, Isaac Newton demonstrated that white light was made up of all the colours of the rainbow, and that refraction occurred through a prism, changing the direction of red light less, and changing the direction of blue light more, to reveal the rainbow.#4 The Sun is at the centre of our Solar System, and all other objects orbit it. This was proven by the efforts of Tycho Brahe, Johannes Kepler, and Isaac Newton over the next century or so. In the late 1600s, Isaac Newton demonstrated that white light was made up of all the colors of the rainbow, and that refraction occurred through a prism, changing the direction of red light less, and blue light more, to reveal the rainbow.