“Eyes on Asteroids”工具 的开发得到了NASA行星防御协调办公室和JPL的近地天体研究中心的支持。“Eyes”从JPL的太阳系动力学数据库中收集数据,该数据库为我们太阳系中大多数已知的自然天体(包括近地天体)的轨道、特征和发现提供实时数据。 举报
Eyes on Asteroids visualizes close approaches, such as asteroid Apophis’ future encounter with Earth. Simply query “Apophis” in the app’s search function and fast forward to April 13, 2029, to see how near the asteroid will get to our planet. Credit: NASA/JPL-Caltech “We wante...
Through a new 3D real-time visualization tool, you can now explore the asteroids and comets that approach Earth’s orbital neighborhood – and the spacecraft that visit these objects – with a click or a swipe. NASA’s Eyes on Asteroids brings this data to any smartphone, tablet, ...
>Eyes on the skies. Eyes on the skies.Eyes on the skies.Features several two astronomers who study near-Earth objects (NEO) which have chances of colliding with the earth. Includes Dave Balam, Jim Scotti, etc.; Researches conducted; Equipment used in studying asteroids and other NEO; ...
Astronomers' Universe(共57册),这套丛书还有 《Stardust》《》《Weird Astronomical Theories of the Solar System and Beyond》《Weird Comets and Asteroids: The Strange Little Worlds of the Sun's Family》《Visible and Invisible: The Wonders of Light Phenomena》等。 我来说两句 短评 ··· 热门 ...
Asteroid hyalosis (AH) is a condition in which multiple, small, yellow-white refractile particles present in the vitreous body [1]. AH was first described by Benson in 1894 and initially termed “Asteroid Hyalites”, due to its clinical appearance resembling stars (or asteroids) shining in ...
Beginning with a brief historical overview of scientific observation and celestial mechanics, the authors then take readers on an enlightening tour of the solar system, from the Sun to Neptune, before turning to other objects, including asteroids, comets, and dwarf planets (where you will find ...
The Centaurs may get their first-ever close-up soon. These space rocks — so named because they're hybrids of a sort, displaying characteristics of both asteroids and comets — have long intrigued astronomers. Part of the interest boils down to simple curiosity: Little is known about Centaurs...
Asteroids in the Inner Solar System II - Observable Properties For both Venus and the Earth, the greatest concentration of objects on the sky occurs close to the classical Lagrange points at heliocentric ecliptic ... NW Evans,SA Tabachnik - 《Monthly Notices of the Royal Astronomical Society》 ...
BEIJING — China will hold discussions on building a defense system against near-Earth asteroids, a senior space agency official said on Saturday, as the country ste…