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Horizons Beyond – Blog for People Curious for Space
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Types of galaxies: spiral, elliptical, and irregular
And beyond our galaxy are other galaxies, in the universe all told at least a hundred billion, each containing a hundred billion stars All galaxies in the universe are different. There are only 3 main types of galaxies: elliptical (E), spiral (S) and irregular (Irr). Spiral galaxies are the most common. More than half of…
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Everything You Need to Know About Black Holes: A Beginner’s Guide
Black holes are where God divided by zero A black hole is a region of space-time with such strong gravity that absolutely nothing, not even light, can escape from this region, but we can detect its gravitational pull. In fact, a black hole is a massive compact star. How do black holes form? To answer…
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How did the Universe begin – Big Bang Theory
The universe is made of stories, not of atoms In those days, when people thought that our universe is stationary, the question of the beginning of the universe wasn’t very important. But nowadays, people are becoming more and more interested in this topic. There is still no accurate answer. But the most popular theory –…
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constellations in the night sky and their stories
Looking out into the universe at night, we make no comparisons between right and wrong stars, nor between well and badly arranged constellations For thousands of years people have been observing the sky. They have found groups of stars that form some kind of image or figure. At the moment 88 constellations are recognized. Each…
