Amazing Space Facts About The Universe, Plants And Stars.<br /><br />-The largest known volcano in our solar system is Olympus Mons on Mars, which is about 13.6 miles (22 kilometres) high—nearly three times the height of Mount Everest.<br />-There are more stars in the universe than grains of sand on all the beaches on Earth.<br />-The speed of light is so fast that it can travel around the Earth seven and a half times in one second.<br />-The coldest known place in the universe is the Boomerang Nebula, which has a temperature of about one degree Kelvin (equivalent to -458 degrees Fahrenheit or -272 degrees Celsius).<br />-There is a planet named HD 189733b where it rains glass sideways. The planet's atmosphere contains high-speed winds that carry tiny particles of molten glass.<br />-The largest known structure in the universe is the Hercules Corona Borealis Great Wall—a massive cosmic filament of galaxies that stretches over 10 billion light-years.<br />-Astronauts experience a phenomenon called "space smell" when they return to the International Space Station after a spacewalk. It is described as a distinct metallic odour caused by the interaction between their spacesuits and the vacuum of space.<br />-The most abundant elements in the universe are hydrogen and helium, which account for about 98% of all matter.<br />-There is a massive black hole at the centre of our galaxy, called Sagittarius A*, with a mass equivalent to about 4 million suns.<br />-The concept of "dark matter" and "dark energy" is still a mystery to scientists. These substances are believed to make up a significant portion of the universe, yet their nature and properties remain largely unknown.<br /><br />Watch the Video about 10 mind-blowing space facts, it's the weird facts.
