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Order in Space: A Design Source Book

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solar (adj.)". Online Etymology Dictionary. Archived from the original on 18 March 2022 . Retrieved 2 May 2022. Jaki, Stanley L. (1 July 1972). "The Early History of the Titius-Bode Law". American Journal of Physics. 40 (7): 1014–1023. Bibcode: 1972AmJPh..40.1014J. doi: 10.1119/1.1986734. ISSN 0002-9505. Archived from the original on 20 April 2022 . Retrieved 2 April 2022. The interplanetary medium is home to at least two disc-like regions of cosmic dust. The first, the zodiacal dust cloud, lies in the inner Solar System and causes the zodiacal light. It may have been formed by collisions within the asteroid belt brought on by gravitational interactions with the planets; a more recent proposed origin is the planet Mars. [66] The second dust cloud extends from about 10AU (1.5billionkm; 930millionmi) to about 40AU (6.0billionkm; 3.7billionmi), and was probably created by collisions within the Kuiper belt. [67] [68]

What are the characteristics of the Solar System that lead to the origins of life?". NASA Science (Big Questions). Archived from the original on 8 April 2010 . Retrieved 30 August 2011. Pogge, Richard W. (1997). "The Once & Future Sun". New Vistas in Astronomy. Archived from the original on 27 May 2005 . Retrieved 7 December 2005. Gough, D. O. (November 1981). "Solar Interior Structure and Luminosity Variations". Solar Physics. 74 (1): 21–34. Bibcode: 1981SoPh...74...21G. doi: 10.1007/BF00151270. S2CID 120541081. Gatling, David C.; Leovy, Conway (2007). "Mars Atmosphere: History and Surface Interactions". In Lucy-Ann McFadden; etal. (eds.). Encyclopaedia of the Solar System. pp.301–314. Pallas (2.77AU from the Sun) and Vesta (2.36AU from the Sun) are the largest asteroids in the asteroid belt, after Ceres. They are the other two protoplanets that survive more or less intact. At about 520km (320mi) in diameter, they were large enough to have developed planetary geology in the past, but both have suffered large impacts and been battered out of being round. [121] [122] [123] Fragments from impacts upon these two bodies survive elsewhere in the asteroid belt, as the Pallas family and Vesta family. Both were considered planets upon their discoveries in 1802 and 1807 respectively, and like Ceres, eventually considered minor planets with the discovery of more asteroids. Some authors today have begun to consider Pallas and Vesta as planets again, along with Ceres, under geophysical definitions of the term. [5] Asteroid groups

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What Color is the Sun?". Universe Today. Archived from the original on 25 May 2016 . Retrieved 23 May 2016.

NASA launches Kepler Mission: Search for Earth-like worlds". Spacechornology.com. Archived from the original on 22 January 2011 . Retrieved 4 August 2017. Landgraf, M.; Liou, J.-C.; Zook, H. A.; Grün, E. (May 2002). "Origins of Solar System Dust beyond Jupiter" (PDF). The Astronomical Journal. 123 (5): 2857–2861. arXiv: astro-ph/0201291. Bibcode: 2002AJ....123.2857L. doi: 10.1086/339704. S2CID 38710056. Archived (PDF) from the original on 15 May 2016 . Retrieved 9 February 2007.a b Feynman, Richard P.; Leighton, Robert B.; Sands, Matthew L. (1989) [1965]. The Feynman Lectures on Physics, Volume 1. Reading, Mass.: Addison-Wesley Pub. Co. ISBN 0-201-02010-6. OCLC 531535. The outermost layer of the Solar atmosphere is the heliosphere, which permeates much of the Solar planetary system. Along with light, the Sun radiates a continuous stream of charged particles (a plasma) called the solar wind. This stream of particles spreads outwards at speeds from 900,000 kilometres per hour (560,000mph) to 2,880,000 kilometres per hour (1,790,000mph), [64] filling the vacuum between the bodies of the Solar System. The result is a thin, dusty atmosphere, called the interplanetary medium, which extends to at least 100AU (15billionkm; 9.3billionmi). Beyond the heliosphere, large objects remain gravitationally bound to the sun, but the flow of matter in the interstellar medium homogenizes the distribution of micro-scale objects (see §Farthest regions). [65]

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