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Everything about Moon.

 Beautiful and mysterious, peaceful and serene, the moon is the brightest object in the night sky. Jupiter and Saturn have more than sixty moons each. Neptune has thirteen moons. Even Mars has two moons. But the Earth, our planet, only has one moon, our nearest neighbor in space. Even though the moon is close to us when compared to other planets, it is still very, very far away.   The moon is about 239 thousand miles or 384 thousand kilometers away. You would have to travel all the way around the Earth nine and a half times to go the same distance as the space between the Earth and the Moon. The moon is much smaller than the Earth. Ifthe Earth was hollow, about fifty moons could fit inside. Because it is so much smaller than the Earth, the moon's gravity is much weaker.   This means that if you were to visit the moon, you would weigh much less than you do on earth, only about 1/6th of your current weight. That means that if a giraffe was on...
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Exploring Our Solar System.

 Our Solar System - Have you ever looked up into the sky and wondered what was there?  Higher than the birds, past the clouds, and farther than the moon, a whole host of fascinating objects spin in outer space. Let's imagine for a moment that we can leave the earth behind, and explore the solar system that surrounds it. We call it the solar system because everything in it is centered around the sun, and solar means something to do with the sun.  The Sun  The sun is a star, just like many of the stars that you can see in the night sky - just many times closer to us. Still, the sun is very, very far away from the earth; almost 93 millionmiles away: that's why it looks so small, even though it's the biggest object in the solar system. In fact, the sun makes up more than 99 percent of the mass in the solar system.If you put all of the planets, moons, asteroids, comets, and everything else in the solar system together, they would make up less than one quarter ...
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Everything about Sun.

 While billions of stars are scattered throughout the universe the one at the center of our solar system Plays a special role for us here on earth. Our Sun formed about 4.5 billion years ago in the Milky Way galaxy's Orion's fur. It was born when a cloud of dust and gas known as a solar nebula Collapsed and in the middle of this formation matter condensed into a burning ball of gas that became our Sun.   The sun's fiery nature along with a tremendous gravitational pull and an extensive magnetic field Helped it to become the heart of our solar system. The Sun can be divided into six layers or regions the corona the chromosphere the photosphere the convective and radiative zones and the core in terms of atom count.   The Sun is about 91% hydrogen the sun's fuel eight point nine percent helium and point one percent heavier elements such as carbon and nitrogen. Due to the sun's extreme temperatures these elements stay in a gas like phase called plasma. I...
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Why isn't Pluto a Planet anymore?

 When Pluto was discovered in 1930, it was named the ninth planet of the solar system. More than seventy-five years later, that planetary status was revoked and Pluto was demoted to a dwarf planet. Many people were left wondering what changed,and what the difference was between a planet and a dwarf planet.  The controversy began in 1992 when astronomers discovered other icy bodies out beyond Neptune's orbit, in a region called the Kuiper Belt. The debate only intensified when objects approaching Pluto's size were discovered. In 2005, an object called Eris was discovered,which appeared to be larger than Pluto. Some people wanted Eris recognized as the tenth planet.  Others argued that so many objects similar to Pluto in the same area of space meant that Pluto was not a planet, but some new kind of object. In 2006, the International Astronomical Unionformed a committee to decide once and for all what characteristics qualified an object to be called a planet....
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Everything about Dwarf Planets and Pluto.

 Pluto, the ninth-largest body orbiting the Sun, has been a matter of contention in recent years. Originally considered a planet following its discovery in 1930, Pluto was regarded as the ninth planet in the solar system for more than 75 years. In 2006, following the discovery of several other small planet-like objects similar to Pluto, astronomers were forced to decide what makes a planet a planet, instead of something else.  According to the rules agreed upon by the International Astronomical Union, Pluto was not really a planet, and on September 13, 2006, it was reclassified, along with the other similar small bodies, as a 'dwarf planet.' Pluto is small - with a diameter of only two-thirds that of Earth's moon - and is made of rocky ice. Astronomers believe that it is about two-thirds rock and one-third water ice. Even though Pluto is small, this much ice represents more than three times the amount of water in all of Earth's oceans combined.   Pluto is...
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Everything about planet Neptune.

 Neptune, the eighth and farthest known planet from the sun, is the fourth-largest planet in the solar system. Neptune is the densest of all the gas giants, and so even though it is slightly smaller than Uranus, Neptune is more massive. Like its near twin Uranus, Neptune is made mostly of hydrogen and helium, with traces of other materials and 'ices' like water, ammonia, and methane.   Because of this, Neptune, like Uranus, is sometimes referred to as an "ice giant". While Uranus has a hazy, mostly unremarkable atmosphere, Neptune has active and easily visible weather patterns, which gives it a more distinctive appearance. Like Uranus, Neptune has methane in its atmosphere which gives it a blue color. However, Neptune appears a darker blue than Uranus, and scientist sare not sure why.  When the Voyager 2 spacecraft flew by Neptune in 1989, the planet had a"Great Dark Spot" much like the "Great Red Spot" on Jupiter, but by 1994 the spot ...
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Everything about planet Uranus.

 Uranus, the seventh planet from the sun, is the third-largest planet in the solar system, after Jupiter and Saturn, with a diameter about 4 times the Earth's. Like the two larger planets, Uranus is made largely of hydrogen and helium, but it also has many more icy compounds made of water, ammonia, and methane, as well as other materials. Because of this, Uranus is sometimes referred to as an "ice giant."   Uranus has the coldest atmosphere of any planet in the solar system, even though it is not the farthest planet from the sun, with temperatures of about -371 degrees F or -224 Celsius. Unlike Neptune, Uranus does not generate much internal heat. As a result, the weather on Uranus is mostly calm when compared to the feverish activity of the other gas giants.   In fact, at one time Uranus was called 'the most boring planet in the solar system!'. The exception is the weather produced during seasonal changes. Uranus is more than 1.7 billion miles or ab...
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How big really is our Universe

This is Earth You live somewhere in this massive looking planet And everything you have ever interacted with in your life stays here But this huge planet Is how big as compared to the vast scale of the Universe?  For comparison sake, we take Moon. So moon looks very close to us because this is the only space object that we see so close from us during night. But, moon is not actually that close from us Moon is actually this far away from us. Between this distance, easily 30 Earths could fit! And if somehow we were able to travel moon in a car at 100 Km/hr speed Then it'll take us 160 days! Once we reach moon, Earth will look somewhat like this from there. So Earth surely looks pretty huge, right?    Now let's see how does this same blue planets look from Mars So this is a picture taken on Mars by space probe This small dot, is our Earth! And it looks like this from Martian surface. Mars's average distance from Earth is 225 Million kilometers from Earth And it ...
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Everything about Moon.

 Beautiful and mysterious, peaceful and serene, the moon is the brightest object in the night sky. Jupiter and Saturn have more than sixty moons each. Neptune has thirteen moons. Even Mars has two moons. But the Earth, our planet, only has one moon, our nearest neighbor in space. Even though the moon is close to us when compared to other planets, it is still very, very far away.   The moon is about 239 thousand miles or 384 thousand kilometers away. You would have to travel all the way around the Earth nine and a half times to go the same distance as the space between the Earth and the Moon. The moon is much smaller than the Earth. Ifthe Earth was hollow, about fifty moons could fit inside. Because it is so much smaller than the Earth, the moon's gravity is much weaker.   This means that if you were to visit the moon, you would weigh much less than you do on earth, only about 1/6th of your current weight. That means that if a giraffe was on...
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Everything about planet Mars.

 Mars: the fourth plant from the sun, is the second smallest planet in the solar system, larger only than Mercury. Mars, as one of the five planets visible to the unaided eye, has been known to astronomers since ancient times: it was first recorded by ancient Egyptian astronomers about 4,000 years ago.  Mars is often called the Red Planet, because of its reddish color. Modern astronomers know that Mars is red because of large amounts of iron oxide, or rust, in the rocks and dust on the surface, but in ancient times people associated its red color with warfare. That is why Mars was named for the ancient Romangod of War.   Mars is a small, rocky planet, the last ofthe planets of the inner solar system. It is about 141 million miles, or more than 227million kilometers from the sun, so it gets less than half as much sunlight as the earthdoes.   Temperatures at the frozen poles may dip as low as negative 225 degrees Fahrenheitor negative 143 degrees ...
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