Uploaded on Apr 22, 2020
PPT on Scary facts about the Universe
Scary facts about the Universe
Scary facts about the Universe Blackhole If you fell into a black hole, you would get stretched out like spaghetti. This is scientifically known as "spaghettification“ and happens when "the gravity wants to sort of stretch you in one direction and squeeze you in another." Source: Google Images The universe is silent Sound on Earth travels through vibrations in the air. But in outer space, there is no air for sound to travel. Hence, the universe is completely silent. Source: Google Images Fit in the sun If the sun were like an empty ball, you could fit 1.3 million Earths inside. The Sun is enormous and contains 99.86% of all the mass in the solar system. Source: Google Images Astronaut footprints Since the moon has no atmosphere, there is no breeze to slowly erase footprints. They exist in a vacuum. So, astronaut footprints on the moon can last for upto a million years. Source: Google Images Between Earth and the Moon You can fit all the planets between the Earth and the moon, distance-wise. This is only the case when the moon is at apogee, also known as the farthest point from Earth. There would be still about 5000 miles to spare! Source: Google Images What’s happening? The reason why we can't see the whole universe is because some parts are too far away from Earth. Their light hasn't had enough time since the Big Bang to reach us. Which makes you think about what actually is happening in the whole universe. Source: Google Images Stars It has been estimated that there could be 1000 billion billion stars in the observable universe, based on a couple of assumptions about galaxy size and distribution. There are so many stars in the known universe, we can't even count them. Source: Google Images Jupiter Jupiter's Great Red Spot is about twice the size of Earth. The storm has been raging for over a century. The planet has been dubbed the "vacuum cleaner of the solar system", because its gravitational force eats up asteroids or comets that are nearby, stopping them from colliding with Earth. Source: Google Images Going outer space Due to low pressure, the boiling point of your bodily fluids decreases below your body's normal temperature, which is about 37 degrees Celsius. This means your fluids will start to form gas bubbles and you will swell up, but you won't explode, because human skin is super stretchy. Source: Google Images
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