martes, 24 de septiembre de 2013
the solar sistem
the Solar System comprises the Sun and its planetary system of eight planets, as well as a number of dwarf planets, satellites (moons), and other objects that orbit the Sun. It formed 4.6 billion years ago from the gravitational collapse of a giant molecular cloud. The vast majority of the system's mass is in the Sun, with most of the remaining mass contained in Jupiter. The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of rock and metal. The four outer planets, called the gas giants, are substantially more massive than the terrestrials. The two largest, Jupiter and Saturn, are composed mainly of hydrogen and helium; the two outermost planets, Uranus and Neptune, are composed largely of substances with relatively high melting points (compared with hydrogen and helium), called ices, such as water, ammonia and methane, and are often referred to separately as "ice giants". All planets have almost circular orbits that lie within a nearly flat disc called the ecliptic plane.
COMPARISONS
COMPARISONS
in the living room my list number is 1 and eduardo is 45, there are classes where we accommodate for list and others where not so difficult for us to talk. I'm older than eduardo for 3 months, he has 2 brothers and I have a sister myself these are the comparisons that we have.
in the living room my list number is 1 and eduardo is 45, there are classes where we accommodate for list and others where not so difficult for us to talk. I'm older than eduardo for 3 months, he has 2 brothers and I have a sister myself these are the comparisons that we have.
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