Rikin patel titan
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This document discusses Titan's methane cycle and how it compares to Earth's hydrological cycle. It notes that Titan has a primarily nitrogen atmosphere with methane and ethane playing the role of water on Earth through erosion of fluvial features like dendritic river networks. The Cassini-Huygens mission revealed lakes in Titan's northern hemisphere and terrain cut by liquid hydrocarbon rivers and basins. The methane cycle timescales and potential astrobiology significance of liquid water-ice crust are also mentioned.
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Titan, Saturn's largest moon, shares many similarities to Earth that could enable life, including rivers, lakes of liquid methane and ethane, and an atmosphere composed primarily of nitrogen. While Titan's surface temperature of -180 degrees Celsius poses challenges, the moon's likeness to early Earth conditions has scientists excited about the possibility of life existing there, though none has been discovered yet. Future exploration with advanced technology may uncover new insights into whether life can emerge in Titan's extreme environment.
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The document provides an overview of a course on Earth science and the universe. It includes 12 lessons covering topics like mapping the seafloor, plate tectonics, earthquakes and volcanoes, the origin of the universe, the solar system, what we are made of, the extinction of dinosaurs, and whether life exists elsewhere. The first lesson introduces concepts of time, space, the structure of Earth, and the rock cycle. Subsequent lessons will explore these topics in more depth.
AAS National Conference 2008: Candice Hansen
The Titan Saturn System Mission (TSSM) is a proposed joint NASA-ESA mission to conduct in-depth exploration of Titan and Enceladus. The mission would include an orbiter carrying instruments to study Titan's atmosphere, surface and interior. It would also deploy a hot air balloon and lake lander to conduct in situ measurements. The orbiter would tour Saturn's system for over 9 years, performing multiple close flybys of Titan and Enceladus to advance understanding of processes on these moons beyond what was possible with the Cassini-Huygens mission.
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Module 1 Origin and Structure of the Earth Planet Earth.pptx
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2. Hydrosphere - This refers to the water on Earth's surface in liquid and frozen forms such as oceans, seas, rivers, lakes, ice caps and underground water.
3. Atmosphere - This refers to the envelope of air surrounding the Earth held in place by gravity. It is made up of nitrogen, oxygen, carbon dioxide and other gases.
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Titan's Underground Ocean May Lack Necessary Ingredients for Life | The Enter...
Recent astrobiological research has cast doubt on the potential habitability of Titan's underground ocean, as well as similar oceans within icy moons scattered throughout the outer reaches of our solar system.
TiME Mission Document
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The document summarizes key information about the eight planets in our solar system as well as Pluto, Ceres, Eris, and Iris. It describes the general characteristics of planets including their composition and features such as rotation, orbits, and moons. For each planet, important details are provided about their physical properties, atmospheric composition, and notable moons and satellites.
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This document provides a summary of the solar system, including information about the inner and outer planets, dwarf planets, and key facts about each planetary body. It discusses the differences between inner and outer planets, requirements to be considered a planet, and highlights notable features of each planet like Venus' dense atmosphere, Mars' potential for past life, and Saturn's low density allowing it to float. It also summarizes dwarf planets Ceres, Pluto and Eris.
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Fatrick Vandamme Gregorio
Antonio Labuguen
Cristine Joyce Perez
Margarita Villiota
Roxanne Umayam
Similar to Rikin patel titan (20)
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Titan's Underground Ocean May Lack Necessary Ingredients for Life | The Enter...
Titan's Underground Ocean May Lack Necessary Ingredients for Life | The Enter...
Rikin patel titan
- 1. TITANCrustal Features And the Methane Cycle Rikin Patel April 12, 2010 MCB3703 Astrobiology Dr. Jamie Foster
- 2. Titan vs. EarthHydrological Cycles Kuiper (1944) and Cassini-Huygens Mission (mid-2004) Primarily N2 Methane AND Ethane vs. Water Methane as an erosive agent Dendritic and possibly ground-sapping features Terrains cut by fluvial features Hydrocarbon liquid basins
- 6. Hills, Valleys, and Islands
- 8. Significance to Astrobiology Water-ice crust and potential porosity Lakes and rivers unique to Titan and Earth
- 9. Sources Episodic Outgassing as the Origin of Atmospheric Methane on Titan. Gabriel Tobie, Jonathan I. Lunine and Christophe Sotin in Nature, Vol. 440, pages 61-64; March 2, 2006. Titan Unveiled: Saturn’s Mysterious Moon Explored. Ralph Lorenz and Jacqueline Mitton. Princeton University Press, 2008. Titan: Exploring an Earthlike World. Athena Coustenis and Fredric W. Taylor. World Scientific, 2008. Rivers, Lakes, Dunes, and Rain: Crustal Processes in Titan’s Methane Cycle. Jonathan I. Lunine and Ralph D. Lorenz in Annual Review of Earth and Planetary Sciences, Vol. 37, pages 299-320; May 2009. Titan from Cassini-Huygens. Edited by Robert H. Brown, Jean-Pierre Lebreton and J. Hunter Waite. Springer, 2009.
Editor's Notes
- Good Morning and WelcomeMy name is Rikin Patel and today I will be giving a talk on Titan, Saturn’s largest moon, with a focus on some surface features and the methane cycle present there
- Kuiper and CassiniAstronomer Kuiper first detected methane on Titan spectroscopically in 1944Cassini-Huygens radar images confirmed dark seas of “sand” identified as organic or organic-coated water-ice crustal compositionPrimarily N2-Titan is ~90%-Earth is 78%Methane AND Ethane vs. Water-Earth’s hydrological cycle involves only water processes-Titan’s cycle involves both methane and its photochemical product ethane-While ethane mechanically behaves as a fluid identically with methane, and is fully mixed with it, it does not participate in the gaseous phase of the hydrological cycle through evaporation and condensation on the same timescales and with the same mass flux as methane. (implications unexplored)Methane as an erosive agentDendritic and possible ground-sapping featuresTerrains cut by fluvial featuresNorthern hemisphere radar-dark features resembling hydrocarbon liquid basinsConvective cloud structures at south poleVery dark spots at south pole during early springMethane cloud at 8-km altitudeDetection of methane and ethane vaporizing from a relatively high thermal-conductivity surface
- LEFT)-Image taken from Huygens probe-depicts dark dendritic channels from about 6.5 km in altitude-elongated bright island is about 2 km longRIGHT)-Images taken by Huygens probe at the surface-depicts larger smooth surface rocks, largest of which are about 15 cm across-”no doubt whatsoever that fluvial action has modified Titan’s surface”
- Cassini radar image of impact crater Menrva (440km diameter); to the west is a limited set of fluvial channels, whereas to the east is a more extensive fluvial network ElivagarFluminaSuch branching, shallow channels are characteristic of violent flows associated with heavy rains (i.e., flash floods).In sum, it is clear that rainstorms have occurred in Titan’s past and left their scars on the landscape.
- map of more than 600 lake and sea features observed by the Cassini radar system in the high northern latitudes of Titan. B) dark lakes are blue, granular lakes are cyan, and bright lakes are red. The color around lakes indicate the angle of incidence
- Cassini radar image in which liquid, appearing dark, submerges a hilly terrain possibly dissected by fluvially generated valleys. region with dendritic features feeding into and out of a lake; the “island” in the middle is 90km x 150km
- Elements of Titan’s methane cycle known or strongly suspected to be present, along with timescales for: destruction of methane (107 – 108 years)cyclical humidificaton of low latitudes (100-1000 years)seasonal cycling of methane between the poles (10-100 years).