Planets

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:sl:

i jus got ta kno it lyk a few mins ago wen fishy posted dat post sayin a lil bit abt it :-\

y am i so layd bak :-\

:w:
 
+*Glacier*+ said:
:sl:

i jus got ta kno it lyk a few mins ago wen fishy posted dat post sayin a lil bit abt it :-\

y am i so layd bak :-\

:w:
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salam.
aww don't worry hun i hate science me self not good at that so it doesn't mean your layed back your intelligent :)
w.salam
 
:) Thank you for letting me know that Pluto is smallest among Pluto, Mercury and Venus.
Bcuz I thought if Pluto was not the smallest, and if Venus or Mercury were smaller than Pluto, then they also do not deserve to be a planet...^o)

Anybody knows the current definition of planet ? :rollseyes
 
salam.

planet means a nonluminous celestial body larger than an asteroid or comet, illuminated by light from a star, such as the sun, around which it revolves. In the solar system there are nine known planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.

w.salam
 
salam.
here are the order

The Sun

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

The order of the planets given here is based on the planets' average distances from the Sun. Because Pluto's orbit is quite elliptical in shape, at times Pluto travels closer to the Sun than Neptune's orbit. This was the case from January 1979 through February 1999, when Neptune was the farthest planet from the Sun.

w.salam
 
Kittygyal said:
salam.
here are the order

The Sun

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

The order of the planets given here is based on the planets' average distances from the Sun. Because Pluto's orbit is quite elliptical in shape, at times Pluto travels closer to the Sun than Neptune's orbit. This was the case from January 1979 through February 1999, when Neptune was the farthest planet from the Sun.

w.salam
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Jazakallhu khayran for all the information. :)

After Pluto has been relegated from the list of planets, the definition of planet has changed, so what is the current definition of planets. :rollseyes
 
Salmaan said:
Jazakallhu khayran for all the information. :)

After Pluto has been relegated from the list of planets, the definition of planet has changed, so what is the current definition of planets. :rollseyes
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salam.
an extremely large round mass of rock and metal, such as Earth, or of gas, such as Jupiter, which moves in a circular path around the Sun or another star:
- the planet Earth/Venus

- Might there be intelligent life on other planets?

planetary

adjective

relating to planets:
- planetary science/motion

See also http://www.ipnsig.org/home.htm.
w.salam
 
:sl:
Definition of planet:
(a) is in orbit around a star or stellar remnants;
(b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape;
(c) is not massive enough to initiate thermonuclear fusion of deuterium in its core; and,
(d) has cleared the neighbourhood around its orbit.
:w:
 
Kittygyal said:
salam.
an extremely large round mass of rock and metal, such as Earth, or of gas, such as Jupiter, which moves in a circular path around the Sun or another star:
- the planet Earth/Venus

- Might there be intelligent life on other planets?

planetary

adjective

relating to planets:
- planetary science/motion

See also http://www.ipnsig.org/home.htm.
w.salam
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salam.
Jazakallah for the information. :)
Is Mercury is extremely large ? If Pluto can be relegated, then why not Mercury as well, according to definition? ^o)
 
Salmaan said:
salam.
Jazakallah for the information. :)
Is Mercury is extremely large ? If Pluto can be relegated, then why not Mercury as well, according to definition? ^o)
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:sl:
That's not the correct definition, I posted the new one above.

Of course I don't think the new one is even correct! Up with Pluto!
:w:
 
Fishman said:
:sl:
Definition of planet:
(a) is in orbit around a star or stellar remnants;
(b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape;
(c) is not massive enough to initiate thermonuclear fusion of deuterium in its core; and,
(d) has cleared the neighbourhood around its orbit.
:w:
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Jazakallah brother :)
So many points to remember according to this definition :heated:
 
Question : Why do scientists only go for Mars? Why don't scientists look for life on Venus? Venus is also neighbouring planet of earth, so why not find there? ^o)
 
Salmaan said:
Question : Why do scientists only go for Mars? Why don't scientists look for life on Venus? Venus is also neighbouring planet of earth, so why not find there? ^o)
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:sl:
The surface temperature on Venus is hot enough to melt lead. All of the probes that landed on it were reduced to little puddles after a few minutes.
:w:
 
salam.
because President Bush's plan to return humans to the Moon as a stepping stone to Mars was applauded today by many scientists eager to unlock the geological and biological secrets of the red planet :uhwhat
w.salam
 
What about the natural satellite of the earth - that is the moon ?! Aren't there possibilities of life on the moon ?!!!! :rollseyes
It has to be !!! At least more than Mars, what do you say ?? :uuh:
 
Salmaan said:
What about the natural satellite of the earth - that is the moon ?! Aren't there possibilities of life on the moon ?!!!! :rollseyes
It has to be !!! At least more than Mars, what do you say ?? :uuh:
Click to expand...
:sl:
The moon has no atmosphere and no liquid water, so it's very hard for life to exist there. However, Earth bacteria were found living on part of the lunar lander, so it is possible for life to survive.
:w:
 

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