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Mercury Facts And History!
From its orbits, to its temperatures, to its place in the grand scale of the solar system, and more! Join me as we show you some facts and history about Mercury! -------------------------------------------------------------------------------------------------------------------------------- Subscribe for more videos:https://www.youtube.com/c/InsaneCuriosity?sub_confirmation=1? Business Enquiries: lorenzovareseaziendale@gmail.com -------------------------------------------------------------------------------------------------------------------------------- 10. The History Of Mercury Before we really deep dive into the facts about the planet, let's talk about the beginnings of the planet in terms of its discovery from our perspective. Obviously Mercury was made billions of years ago, but when exactly did we discover it? The earliest known recorded observations of Mercury are from the Mul.Apin tablets. These observations were most likely made by an Assyrian astronomer around the 14th century BC.[129] The cuneiform name used to designate Mercury on the Mul.Apin tablets is translated as "the jumping planet". Babylonian records of Mercury date back to the 1st millennium BC. The Babylonians called the planet Nabu after the messenger to the gods in their mythology. Which is ironic because Mercury is the name of the messenger God to the Roman pantheon. Many other civilizations found out about Mercury in their own ways, including the ancient Greeks, Romans, Chinese, and even the Maya! The first telescopic observations of Mercury were made by Galileo in the early 17th century. Although he observed phases when he looked at Venus, his telescope was not powerful enough to see the phases of Mercury. In 1631, Pierre Gassendi made the first telescopic observations of the transit of a planet across the Sun when he saw a transit of Mercury predicted by Johannes Kepler. In 1639, Giovanni Zupi used a telescope to discover that the planet had orbital phases similar to Venus and the Moon. The observation demonstrated conclusively that Mercury orbited around the Sun. In the 1880s, Giovanni Schiaparelli mapped the planet more accurately and even perfectly detailed its orbital time around the sun. As more time went on, more time was devoted to studying Mercury, including in the 1970's when NASA launched the first craft to Mercury via the Mariner 10. The Messenger and the BepiColombo would later follow in its footsteps (for the record the BepiColombo is set to reach Mercury in 2025). Though there is a lot we still don't know about Mercury, we do know a lot based on probes and pictures and studies that have tided us over for the last few decades. Which is why Mercury, like the other planets is "well known enough" to teach about. 9. Orbits and Rotations Mercury is a very interesting planet in a whole host of ways, not the least of which is because of the fact that it is indeed the closest planet to the sun. Because of this, it has certain...perks, as well as disadvantages. First and foremost, it's the closest planet to the sun, which means that it is indeed the hottest planet because it's only 29 million miles from the sun at its closest. Now yes, I'm sure that this SEEMS like a long distance, but when you're talking about the sun? A sun that is 860,000 miles in diameter? That's not as far as you think. Because of this, it only takes about 88 days for Mercury to have a year-long rotation around the sun (which is elliptical in nature for the record), and as for how long a day is...well...that's where the twist comes in. Because you see, a "day" is the amount of time it takes for a planet to rotate around its axis, right? Well, for Mercury, it has a VERY slow rotation. To the extent that it actually takes over 58 Earth days just rotate around its axis...ONCE. Can I just say it? that's a REALLY long time! In fact, if you do the math, that would mean that the "day count" for about a year on Mercury is just over 1 1/2 days. That's some really weird planet calendar. But that's just how Mercury is. 8. How Hot Does It Get There? The surface temperature of Mercury ranges from 100 to 700 K (−173 to 427 °C; −280 to 800 °F) at the most extreme places. It never rises above 180 K at the poles, due to the absence of an atmosphere and a steep temperature gradient between the equator and the poles. The subsolar point reaches about 700 K during perihelion (0°W or 180°W), but only 550 K at aphelion. On the dark side of the planet, temperatures average 110 K. The intensity of sunlight on Mercury's surface ranges between 4.59 and 10.61 times the solar constant. Although the daylight temperature at the surface of Mercury is generally extremely high, observations strongly suggest that ice (frozen water) exists on Mercury. #InsaneCuriosity #Mercury #TheSolarSystem
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