planetesimal
معنی فارسی
جرم بسيار خرداسماني که در مداري مي گرد د ،
جرم اسماني گردنده
معنی کامل و مثالها
/plan´i tes´ī mǝl, -tez-/n.
● (نجوم - فرضیهی سیارکها) سیارک، ریز اختر
ریشه و کاربرد
ریشه
From the Latin words 'planeta' meaning 'planet' and 'esimus' meaning 'smallest'.
مثال
- Planetesimals are thought to have collided and merged to form planets.
- The planetesimal hypothesis suggests that planets formed from the accumulation of these small bodies.
- Scientists study the composition and characteristics of planetesimals to understand the early stages of planetary formation.
تعریف انگلیسی
noun
- one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system