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Tag Archives: Comets
The Oort Cloud
The Oort Cloud is a collection of comets that orbit the Sun far outside our solar system. One estimation of the number of comets in the Oort Cloud is one TRILLION. Unlike the Kuiper Belt, which lies outside the orbit of Neptune, the Oort Cloud neither lies on the same plane as the bodies orbitingContinue reading “The Oort Cloud” Continue reading
Posted in Class, Universe
Tagged astro2110, blog5, Comets, gravity, oort cloud, Solar System: Sun
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Comets: A Bunch of “Dirty Snowballs”
It is only right to dedicate a blog post to the very things that inspired my username: comets! Comets are small objects that orbit the Sun and tend to have more eccentric orbits than other bodies in the solar system. A comet consists of a nucleus, coma, ion tail, and dust tail. The nucleus is solidContinue reading “Comets: A Bunch of “Dirty Snowballs”” Continue reading
Posted in Class, Observables
Tagged astro2110, blog5, Comets, Solar System: Small SS Objects
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Historical Views of Comets
According to NASA, comets are “frozen leftovers from the formation of the solar system composed of dust, rock and ices. They range from a few miles to tens of miles wide, but as they orbit closer to the sun, they heat up and spew gases and dust into a glowing head that can be largerContinue reading “Historical Views of Comets” Continue reading
Posted in Class, Historical, Observables
Tagged astro2110, blog5, Comets, Solar System
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Comet
Is it a bird? a plane? a superhero? No it’s a Comet! Comet’s are “cosmic snowballs of frozen gases, rock and dust that orbit the Sun”. Comet’s generally range from the size of 750 meters to 20 kilometers. Currently there are 3,717 comets known to man. Comet’s form from dust particles combining to form icyContinue reading “Comet” Continue reading
Comets: where do they come from?
A comet is made of a nucleus (inner core), coma (cloudy envelope around the nucleus), and then a tail. Where exactly do these beautiful, fast-moving cosmic snowballs come from? Scientists are able to trace comets that we see in the inner solar system by retracing their orbits. Through this, scientists believe that comets come fromContinue reading “Comets: where do they come from?” Continue reading
So Close, Yet From So Far ☄️
The above image is of Comet Atlas, which is a comet that has been getting closer and much, much brighter over the past few weeks. If it doesn’t fizzle out, Comet Atlas will be able to be seen by the naked eye in as little time as a couple of weeks, at places without much … Continue reading So Close, Yet From So Far ☄️ Continue reading
Posted in Class, SolarSystem
Tagged astro2110, blog5, Comets, Kuiper Belt
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Comets as Omens of the Future
Comets have been noticed by ancient civilizations for millenia, and, like many other celestial bodies, were viewed as omens of the future. Comets in particular were considered bad omens. The most famous example is Halley’s Comet, seen in 1066 by the English and theorized to have been an omen for Harold II of England’s death. … Continue reading Comets as Omens of the Future Continue reading
Comet tails: an origin story
4.6 billion years ago, our solar system was just a big cloud of gas and dust. A lot of it gathered together and formed the sun. Most… Read more “Comet tails: an origin story” Continue reading
Kuiper Belt Objects…What Are They?
Kuiper Belt Objects are unique in that they have different compositions than most asteroids and different orbits than most comets. This has led astronomers to contemplate the identity of Kuiper Belt Objects. Surprisingly, the answer isn’t so clear. Asteroids are mostly composed of rock while comets are mostly composed of rock and ice. Most Kuiper … Continue reading “Kuiper Belt Objects…What Are They?” Continue reading
Posted in Small SS Objects
Tagged asteroids, astro2110, blog5, Comets, kuiperbelt, Solar System, Uncategorized
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Comets
Comets get the “dirty snowball” nickname from their composition: they are a little bit of rocky dust, a good amount of chunks of ice, and a pinch of more complex compounds. Spectra analysis reveals the presence of hydrogen compounds within comets, and the existence of hydrogen compounds like water and the presence of carbon dioxide … Continue reading Comets → Continue reading