Mars's "Impossible Moons:" Phobos And Deimos
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- čas přidán 20. 06. 2024
- History Of Phobos
Phobos was discovered by astronomer Asaph Hall on 18 August 1877, at the United States Naval Observatory in Washington, D.C., at about 09:14 Greenwich Mean Time (contemporary sources, using the pre-1925 astronomical convention that began the day at noon, give the time of discovery as 17 August at 16:06 Washington mean time, meaning 18 August 04:06 in the modern convention).
Hall had discovered Deimos, Mars's other moon, a few days earlier on 12 August 1877 at about 07:48 UTC. The names, originally spelled Phobus and Deimus respectively, were suggested by Henry Madan (1838-1901), science master at Eton College, based on Greek mythology, in which Phobos is a companion to the god Ares.
Speculation about the existence of the moons of Mars had begun when the moons of Jupiter were discovered. When Galileo Galilei, as a hidden report about him having observed two bumps on the sides of Saturn (later discovered to be its rings).
Deimos was discovered by Asaph Hall, III at the United States Naval Observatory in Washington, D.C. on 12 August 1877, at about 07:48 UTC (given in contemporary sources as "11 August 14:40" Washington Mean Time, using a pre-1925 astronomical convention of beginning a day at noon, so 12 hours must be added to get the actual local mean time). Hall also discovered Phobos on 18 August 1877, at about 09:14 GMT, after deliberately searching for Martian moons.
It is named after Deimos, a figure representing dread in Greek mythology. The names, at first spelled Phobus and Deimus, were suggested by Henry Madan (1838-1901), Science Master of Eton, from Book XV of the Iliad, where Ares (the Roman god Mars) summons Dread (Deimos) and Fear (Phobos).
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
00:08 Phobos, Mars' Moon
14:30 Deimos: Mars' Moon
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#insanecuriosity #phobos #deimos - Věda a technologie
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Ever since I read about Phobos and Deimos, I've been fascinated by their unique orbital characteristics and formation theories. It's intriguing to think about how these moons defy our traditional understanding of celestial mechanics, especially with Phobos gradually spiraling towards Mars.
Prob my fav interstellar images of their own moons from Mars as well.
Great video and information !
To look up and see the host planet covering 25% of the entire sky, that's incredible. I hope someone sends a probe and gets an image of Mars from the surface of Phobos.
Interesting the ideas people have about these moons.
Neat stuff. Cute little moons. I believe even some large asteroids have little moonlets orbiting them. Back when astronomic discoveries were probably made weekly. Back then it was thought Mars may very well be inhabited. Golden age of astronomy or at least telescope astronomy.
I'm still skeptical that Phobos will rain down upon the inhabitants that will colonize Mars. So the Mars colony would be only has 30 to 50 million years.
What other moons and planets can we consider, that don't have less then a billion years....
This is genuinely the first CZcams channel that has told me to dislike the video
Does Mars pass through any of the Meteor showers as the Earth
IF they are from comets then yes as long as they are parallel to the plane of the solar system.
These moons are none else then captured asteroids because mars sits within the asteroid belt. The shape and size of these objects just proves it, no need to investigate further.
You sound like your covering up something. I don't trust such statements.'no need to investigate'.
Mars resides near the asteroid belt, not within it. Otherwise it would be considered a dwarf planet, like Pluto.
If that was the case the moons wouldn’t orbit around the equator in the same direction of mars’s spin. Neptune’s moon Triton is captured, and it has a non equator orbit and orbits retrograde to Neptune. Mars’s moons formed from the planet.
Artificial Fake Moons Hollow, merci.
Their chunks of Mars... I believe Mars was struck by a moon of its own, whether it was caused by another impact from outside the Martian orbital plane, or its moon's orbit started out unstable and drifting in and out on a long narrow orbit. Eventually coming close enough to begin breaking apart, dropping massive chunks of the moon to the surface of Mars, causing serval massive craters around the planet. All of this is just theory of course, but for planet to be stable enough to hold water on its surface for timeframes in the millions of years, some of its features show huge, world wrecking events.