Space is a bizarre place with strange phenomena, alien planets, and mysterious moon. It exists on an unimaginable scale that there are black holes that dwarf the sun by factors of billions. It also has nebulae (dying stars) that are touted as some of the massive objects in the entire universe. The chances are that there may be a giant undiscovered planet lurking beyond Neptune. All these things are so out-of-this-world that they elude explanation. However, this is what makes space so fascinating. Read on to find out some of the most incredible yet weird facts about space.
Saturn is so lightweight that it can float in a glass of water
The density of Saturn is so low that if you put it in water, it would stay at the top. It happens because the density of Saturn is 0.687 g/cm3 while that of water is 0.998 g/cm3. However, you’ll need a giant glass of water to test this out as it has a radius of 60,268 ± 4 km.
The radius of the largest known star is 1700 times than our sun
Surprised? Well, you should be as our sun appears as a peanut when compared to UY Scuti, the largest known star. It has an estimated radius of 1.88 x 109 kilometers which is 1700 times than the sun. It lies in constellation Scutum and is approximately 9500 light years away from us. It was first discovered in 1860, but it wasn’t until 2012 that scientists got to know about its actual size.
There is a possibility of absolute zero temperature in space
The lowest possible temperature is 273.15 degrees Celsius which is called absolute zero. Till now, scientists have found a temperature of -272 degrees approx 5000 light years away from us. However, there is a possibility of creating a closer temperature to absolute zero artificially.
The temperature of the sun varies tremendously - from 5,500° C to 150,00,000° C
The sun is huge with a diameter of 1.38 million kilometers. Its temperature range from 5,500 Kelvin (or Celsius) in the upper layers, to the Corona with approximately 5 Million Kelvin, and to the core with 15 Million Kelvin. As the gravity produces immense pressure and heat in the center, the temperature can reach more than this.
Mars has the biggest volcano
Olympus Mons is the biggest volcano discovered in the solar system. It is estimated to be 624 km in diameter (approximately the same size as the state of Arizona), 25 km high (triple the height of Mount Everest), and is rimmed by a 6 km steep scarp. As the gravity is much weaker on the Mars than it is on Earth, the volcanoes can grow to such giant size.
The longest valley in the solar system is as long as the United States
If you think that the Grand Canyon on the Earth is the longest valley in the solar system, then you need to update your knowledge. Presented on the Mars, the 4,000 km long valley, Valles Marineris is ten times as long as the Grand Canyon. It was spotted by the global mapping mission Mariner 9 in 1971.
The entire solar system has water ice
Water ice was considered a rare substance in the past, but now it exists all over the solar system. European Space Agency's Rosetta spacecraft did a close-up examination on the Comet 67P/Churyumov–Gerasimenko and spotted water ice everywhere in the space. They also found ice at the poles of Mars.
The spacecrafts have visited every planet in the solar system
Scientists have been exploring the space for more than 60 years, and they have successfully sent spacecrafts to every planet in the solar system - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune — as well as two dwarf planets, Pluto and Ceres. NASA's twin Voyager spacecraft has done the most flybys around Jupiter, Saturn, Uranus, and Neptune. They left the Earth in 1977 and are still transmitting data from space.
These were a few of the hundreds of facts about outer space that many of us didn’t know earlier. Share them with your family and friends to make them aware of the universe they live in.
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