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°Ô½ÃÀÏ : 2019.03.21
[°³²YBM ÅäÇÃ] ¹èÁÖÀº½ÜÀÇ ÅäÇùè°æÁö½Ä – Pluto
žç°è Ç༺ 8°³ÀÇ À̸§Àº ´Ù ¾Ë°í °è½ÃÁÒ?
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ÀÌÁ¦ ¸í¿Õ¼ºÀº ´õÀÌ»ó Ç༺ÀÌ ¾Æ´Ï¿©¿ä.
±×·±µ¥ ¿Ö¿Ö¿Ö!!!!! ¾Æ´Ï³Æ ¸»ÀԴϱî?
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Ç༺ÀÌ µÇ±âÀ§ÇÑ Á¶°Ç°ú ¿Ö ¸í¿Õ¼ºÀÌ Ç༺ÀÇ ÁöÀ§¸¦ ¹ÚÅ»´çÇß´ÂÁö ¾Ë¾Æº¾½Ã´Ù.
Pluto was reclassified as a dwarf planet on 24 Aug 2006 by the IAU (Internation Astronomical Union).
Ç÷çÅä´Â 2006³â IAU¿¡ ÀÇÇØ ¿Ö¼ºÀ¸·Î ÀçºÐ·ù µÇ¾ú½À´Ï´Ù.
Here is the list of qualifications for an object to be considered a planet:
Ç༺ÀÌ µÇ±âÀ§ÇÑ Á¶°ÇÀº¿ä...
A "planet" is a celestial body that
(a) is in orbit around the Sun, žçÀÇ ±Ëµµ¸¦ µ¹¾Æ¾ß ÇÏ°í
(b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, ÃæºÐÇÑ Áú·®À» °¡Áö°í ÀÖ¾î¼ ±¸Çü¸ð¾çÀ» À¯ÁöÇÒ ¼ö ÀÖ¾î¾ß Çϸç and (c) has cleared the neighbourhood around its orbit. ±×ÀÇ ±Ëµµ¿¡¼ ¿ì¼¼ÇÑ ÈûÀ» °¡Áö°í ÀÖ¾î¾ß ÇÕ´Ï´Ù.
ÇÏÁö¸¸ Pluto fails to meet "C" - it has not cleared the neighborhood of its orbit.
¸í¿Õ¼ºÀº 3¹ø° Á¶°ÇÀ» ÃæÁ·½ÃÅ°Áö ¸øÇß¾î¿ä. ±×·¡¼ ÀÌÁ¦ ±×ÀÇ À̸§Àº ±×³É 134340
It is not even a name...
Pluto is now just a number...sad...
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¿Ö¼ºÀ̶õ ¹»±î¿ë??
¿ì¼± ¿ì¸®ÀÇ Å¾ç°è¿¡´Â 5°³ÀÇ ¿Ö¼ºdwarf planets ÀÌ ÀÖ½À´Ï´Ù.
We have 5 dwarf planets in our solar system. They are:
Ceres
Eris
Pluto ¤Ð¤Ð
Makemake
Haumea
Á¶°ÇÀº Ç༺°ú °ÅÀÇ ºñ½ÁÇѵ¥ ¸¶Áö¸· ºÎºÐÀÌ Á¶±Ý ´Þ¶ó¿ä.
Here are the qualifications for a dwarf planet:
A "dwarf planet" is a celestial body that
(a) is in orbit around the Sun,
(b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape,
(c) has not cleared the neighbourhood around its orbit, and
(d) is not a satellite.
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