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The Journal of the American Dental Association and The Dental Cosmos最新文献

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Stars: Distant Suns 恒星:遥远的太阳
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.012
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引用次数: 0
Light and Telescopes: Extending Our Senses 光和望远镜:扩展我们的感官
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.004
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引用次数: 0
The Death of Stars: Recycling 星星的死亡:回收
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.014
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引用次数: 0
Measurement Systems/Basic Constants 测量系统/基本常数
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.023
{"title":"Measurement Systems/Basic Constants","authors":"","doi":"10.1017/9781108363440.023","DOIUrl":"https://doi.org/10.1017/9781108363440.023","url":null,"abstract":"","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88619592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Constellations 的星座
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.028
{"title":"The Constellations","authors":"","doi":"10.1017/9781108363440.028","DOIUrl":"https://doi.org/10.1017/9781108363440.028","url":null,"abstract":"","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89835820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Observing the Stars and Planets: Clockwork of the Universe 观察恒星和行星:宇宙的发条
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.005
{"title":"Observing the Stars and Planets: Clockwork of the Universe","authors":"","doi":"10.1017/9781108363440.005","DOIUrl":"https://doi.org/10.1017/9781108363440.005","url":null,"abstract":"Ecliptic Plane The plane within which lies the Earth’s orbit around the Sun. Zodiac The 12 constellations on the celestial sphere which are intersected by the ecliptic plane. Year⊕ The time that it takes for the Earth to complete one full revolution (i.e. orbit) around the Sun such that the Sun is in the same direction with respect to the fixed stars. This is referred to as a solar year, which at the moment is equal to 365.256 Earth solar days. Equinoxes The direction of the Sun (as seen from Earth) at the 2 points in the Earth’s orbit when the Sun passes through the zenith for an observer on the equator. Solstices The direction of the Sun (as seen from Earth) at the 2 points in the Earth’s orbit when the Sun passes through the zenith for an observer at Lat = +23.5° and at Lat = -23.5°.","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80996493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Planets and Dwarf Planets 行星和矮行星
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.024
Shauna Hutton
{"title":"Planets and Dwarf Planets","authors":"Shauna Hutton","doi":"10.1017/9781108363440.024","DOIUrl":"https://doi.org/10.1017/9781108363440.024","url":null,"abstract":"Eris was a very important discovery in 2005. Since it was larger than Pluto, some astronomers thought it should be considered a planet. However, since Pluto and Eris are located in an asteroid belt, other astronomers began to think maybe Pluto and Eris were both very large asteroids. In 2006, Astronomers decided it was time to update the current definition of a planet and create the new category of dwarf planets.","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88888224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Grand Tour of the Heavens 天堂之旅
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.002
{"title":"A Grand Tour of the Heavens","authors":"","doi":"10.1017/9781108363440.002","DOIUrl":"https://doi.org/10.1017/9781108363440.002","url":null,"abstract":"","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75155004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gravitation and Motion: The Early History of Astronomy 万有引力与运动:天文学的早期历史
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.006
V. Newton
{"title":"Gravitation and Motion: The Early History of Astronomy","authors":"V. Newton","doi":"10.1017/9781108363440.006","DOIUrl":"https://doi.org/10.1017/9781108363440.006","url":null,"abstract":"","PeriodicalId":101239,"journal":{"name":"The Journal of the American Dental Association and The Dental Cosmos","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88749160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Terrestrial Planets: Earth, Moon, and Their Relatives 类地行星:地球、月球和它们的亲戚
The Journal of the American Dental Association and The Dental Cosmos Pub Date : 2019-07-11 DOI: 10.1017/9781108363440.007
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引用次数: 0
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