solar heating rings
Interesting Trivia on our universe
A light year: this is probably the only measure of the distance that is linked to a second component, but still, the speed of light. Distances between heavenly bodies are so enormous that the conventional measures that use distance we are so used to it difficult to conceptualize. Can you imagine 9,460,730,472,580.8 a distance of miles? Numbing the mind would be the word! A light year is the distance that light travels in one year. Remember that light travels at a speed of approximately 299,792 kilometers per second. Even looking into the distance light travels in kilometers in one day can be overwhelming and therefore the use of light years, as a measure of the enormous distances in the universe.
The Earth is one of the nine planets form the solar system, so called because the sun, the solar energy source, is the central point around which all planets. Until now, scientists did not have been able to establish or prove the existence of life on any planet in the solar system. Often, the search for other life forms has focused on looking at the conditions climate of the celestial body in question. Of course, the assumption here is that life on any other planet would require about the same kind of conditions of life on earth, as light, oxygen and water to survive. This may or may not be true.
Other than the sun, not significantly affect other body to the earth as the moon. It is well known that the moon affects the rise and fall of the ocean tide. Such is the effect of gravitational attraction between Earth and Moon. Jupiter is easily the largest planet in our solar system. In order to contextualize its size, Jupiter is over 300 times the mass of Earth. Here is the part Interestingly, Jupiter has 63 satellites that orbit around it and yet it is the planet of the Solar System more moons. That honor belongs to the ringed planet Saturn, which has 66 moons so far identified. Pluto, the farthest flung among the nine planets, has been the subject of a heated debate on whether it meets the requirements for be considered a planet. Today is classified as a dwarf planet. Its orbit around the Sun is very elliptical. In fact, there are cases where Pluto is actually closer to the Sun than Neptune, the planet that precedes it.
There is now talk of size in the solar system, well, let's just say that the Sun is incomparable. Did you know you that the Sun has more than 99% of the total mass of the solar system? Jupiter actually occupies most of the remaining portion. Surface temperatures in the Sun booth at 5000 degrees Kelvin (4727 degrees Celsius). With temperatures reaching in its core 15.6 million degrees Kelvin (15.6 million degrees Celsius), the Sun is actually celestial spectacle. It gets even better when you realize that the Sun is classified as a class of stars G. Stars are classified into six major categories referring to the surface temperature and brightness. The categories are: H, K, G, F, A, B and O listed in ascending order of brightness and surface temperature. You can see that the Sun falls in the bottom of the standings. Category B and O are rare in the universe, whereas most stars are in the category M and emit less heat and light energy. That said, the sun is within the 90th of mass among all the stars. We found other stars that are larger than our sun, one is estimated at about 60,000 times larger.
Solar System forms a small part of the Milky Way, a vast conglomerate of stars and planets. What makes astronomy so exciting is that despite its size, the Milky Way galaxy is not alone in the universe. There are hundreds of billions of galaxies out there, probably more. The nearest galaxy to our Milky Way galaxy is Andromeda. Now prepare yourself for the distance: that is 2.3 million light years away. One of the most interesting phenomena to astronomers is the black hole. It is an area where the concentration of the universe mass is so massive (no pun) that the gravitational attraction that generates absorbs everything around him. Everything that includes the light. Remember that the escape velocity for any object in the universe is the speed necessary to escape the gravitational pull of objects. The escape velocity of Earth is a little over 11 miles per hour, while that the Moon is 2.5 kilometers per second. Well for a black hole, the escape velocity greater than the speed of light. That's how strong the attraction is.
About the Author
Sun jewelry, moon jewelry and star jewelry are wonderful ways to let others know how much you enjoy learning these facts.
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