英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

planetesimal    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Planetesimal | Astronomy, Solar System Planet Formation | Britannica
    Planetesimal, one of a class of bodies that are theorized to have coalesced to form Earth and the other planets after condensing from concentrations of diffuse matter early in the history of the solar system
  • Planetesimal - Wikipedia
    A planetesimal is a solid object arising during the accumulation of orbiting bodies whose internal strength is dominated by self-gravity and whose orbital dynamics is not significantly affected by gas drag This corresponds to objects larger than approximately 1 km in the solar nebula
  • Astronomer Explains What is a Planetesimal - Little Astronomy
    What is a planetesimal? Planetesimals are objects made out of rock and ice that formed during the solar system’s early days You can think of them as the ancestors of planets or very small versions of a planet
  • Planetesimal Theory of Planet Formation - BrightHub
    Planetesimal theory describes how the terrestrial planets and the Jovian planets formed From the collision and accumulation of planetesimals in the solar nebula larger bodies formed and eventually clumped together to form planets This theory was first proposed by Viktor Safronov
  • Planetesimal Formation - The Stephen W. Hawking Center for Microgravity . . .
    Planetesimal Formation Planetesimals are the building blocks of planets Asteroids and comets are leftover planetesimals from the time of formation of our own solar system
  • What Is a Planetesimal? Space Rocks that Assemble Planets - My Space Museum
    What Is a Planetesimal? A planetesimal is a small celestial body that forms during the early stages of planetary formation in a protoplanetary disk These objects are typically composed of dust, ice, and other materials, ranging in size from several miles to hundreds of miles in diameter
  • Planetesimal Definition, Hypothesis Theory Summary - Study. com
    A planetesimal is a rock-type object formed in the early solar system from collisions with other objects in the solar system The collisions eventually formed larger objects that led to the
  • 36 Facts About Planetesimals
    Planetesimal research can inform planetary defense Understanding planetesimals helps develop strategies to protect Earth from potential impacts Exploring planetesimals can reveal the origins of life
  • Examples Of Planetesimals - Sciencing
    They are located in many parts of the solar system, and some astronomers believe they are key to the history of planets and moons Planetesimal matter such as rock and dust may have combined with gravity to form a number of the masses orbiting the sun
  • Planetesimals - Universe Today
    According to the planetesimal hypothesis, when a planetary system is forming, there is a protoplanetary disk with materials from the nebulae from which the system came





中文字典-英文字典  2005-2009