GCI

Solar system 'two million years older than first thought'

23-08-10
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Solar system 'two million years older than first thought'
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Does Our Sun and/or Solar System have an orbit or is it stationary? Yes, the whole solar system orbits around the center of the Milky Way Galaxy. The Solar System's average velocity is approximately 828,000 km/hr, and it takes us about 230 million years to make one complete orbit around the Milky Way.
Does Our Sun and/or Solar System have an orbit or is it stationary? Yes, the whole solar system orbits around the center of the Milky Way Galaxy. The Solar System's average velocity is approximately 828,000 km/hr, and it takes us about 230 million years to make one complete orbit around the Milky Way.
Is this a missle from some mega advanced civilization designed to destroy earth? It already missed us by 19 million miles, and now it's headed back out of the solar system. So if they were trying to destroy us, they were pretty lousy shots. BTW, astronomers think that it was "launched" by some space catastrophe about 45 million years ago, and it has just been sailing along since then.
Can we say that the solar system is proof of intelligent design (god)? Um... You're always going to have the object with the largest mass closest to the center...you know...cause... GRAVITY. Secondly, the Earth wasn't always in the habitable zone...and it won't always be either. Some estimates give us as little as 500 million years before the Sun heats up enough that liquid water can no longer exist on Earth, but even the top end estimate is 2 billion years. This reminds me of the old creationist chestnut that the solar system MUST be designed by God because the moon fits over the sun during a solar eclipse. Again....yes, it does, for now. The moon is receding from the earth, eventually it will be far enough away that it will not cover the sun anymore. Some people just can't seem to imagine that natural things might ACTUALLY change over time.
How close would a black hole have to be our solar system to put us in danger? That would depend entirely on the MASS of the black hole. The closest known black hole to the Solar system is.a thousand or more light years from the Solar System Earth and the solar system are NOT in danger. Black holes DO NOT "suck." "..The closest black holes yet discovered are several thousand light-years away. They are so far that they have no effect on Earth or its environment. A supermassive black hole appears to inhabit the center of the Milky Way galaxy, about 27,000 light-years away...." We've been creating micro black holes in linear accelerators since 2011, Earth is STILL here. They evaporate VERY quickly.
Can the sun become a red giant sooner? Only if we are really REALLY wrong about the age of the sun. If the sun is actually about 5 billion years older than we think it is, then it could start turning into a red giant tomorrow. In that case it would take a few million years to inflate to the radius of the Earth's orbit. We'd wipe ourselves out long before then. We calculated the age of the sun by looking for the older rocks on the Earth. The reasoning is that the sun would have ignited only a bit (in astronomical terms) before rocks started to clump together to form the Earth. This is because the ignition of a star is essentially a massive nuclear explosion, and the solar wind of a young star is strong enough to blow all the loose leftover gas orbiting it out beyond the orbit of Mars.
BN
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Stac
What are representative examples of exaggerated simile like “I never in a million years thought I’d see this.”? I found the expression, “I never in a million years thought I’d see this,” in the New York Times’ article (November 9) commenting on pedophiliac harassment scandals of Penn State under the headline, “...
Sci-Fi novel from *years* ago. Spaced-based in Solar System I don't remember the title or the author or even if it is something I read as a kid. The setup is Humanity lives in various space-based tribes spread across the solar system with various political '...
Title of a sci-fi book I read many years ago involving hollow solar system/galaxy sized (can't remember) megastructure Story started with the abduction of a number of inhabitants of a planet by technologically superior aliens. I think the abductors and abductees were all human. They are transported by spaceships to an ...
How do comets and other solar system bodies gain energy to exit the solar system?
Is the solar system in the Lord of the Rings based on our real solar system? There is an interesting article (commented among others here: http://io9.com/astronomer-recreates-the-solar-system-from-lord-of-the-1443347817) where an astronomer has matched the planets of our solar ...
What would you do if you were 26 years old, with 1.2 million USD? – I'm brand new here and looking for some guidance. I'm a 26 years old female, got into an accident that almost killed me; I sued, and after attorneys fees and medical bills from hell... I will walk ...
AC
What is the inferred age of your solar system in million of years? 4600
What was formed in the solar system 5 thousand million years ago? Nothing except God, the world has only been around for about 10,000 years
[18-11] How many million years ago did earth and our solar system form?
What was the nearest star to the solar system fifty million years ago and how close was it? Proxima Centauri, 4.243 ± 0.002 light-years.
Is a limestone bed containing fossils that are 550 million years old older than a bed of sandstone containing fossils that are 400 million years old?
How can it be that the seafloors are no where older than 200 million years while the oldest continental rocks are in excess of 4 billion years old?
Why is there no ocean crust older than 200 million years?
What is the date that the Earth centered solar system was thought a sun centered solar system? July 16th 1243
[18-12] What marine creature was thought to have been extinct for 80 million years until one was caught off the coast of Madagascar in 1938?
Why are the oldest parts of the ocean floor no older than about 200 million years old?
What Ptolemy thought of the solar system? Ptolemy believed in geocentricism. He thought up the Geocentric Theory, which stated that the Earth was the center of the Universe and all other celestial objects revolved around it. Of course, geocentricism has been proven wrong, and heliocentricism has been proven.
Why did Copernicus thought that the Sun was at the center of the solar system? Nicholas Copernicus was a genius in my opinion. Everyone else in his time believed the Earth was the centre of the universe, because the Earth seemed to stand still, while the heavens seemed to revolve around the Earth. He saw past this and observed Mercury and Venus as they made their path around the SUN. Sadly, Nobody believed him, and nobody found out he was right until Galileo (I am not 100% about Galileo, it may have been another astronomer. I don't think it's fair to GOOGLE it, so if I am wrong, someone can fix my mistake).
What were the early ideas of the solar system and who thought of them?
Who thought the earth was the center of the solar system? Many people did during the Scientific Revolution (and before that), because it was in the Bible, therefore making it God's word. This is called the geocentric theory. Nicolaus Copernicus was the one to overturn this, proposing that the Sun was actually at the center of the universe. This is called the heliocentric theory.
Is it true that every solar eclipse happens every million years on earth? no they happen around the world almost every year and i dont believe that were going to be here on this earth for millions of years
Why are Jupiter and its moons are sometimes thought of as forming their own solar system? Because Jupiter has the most moons (62) and is the most massive planet in our solar system. So it can be a thought of like a central body or star, and its moons can be though of Planets that orbit this central body or Star.
Is the sun older than the solar system? yes
What were the eight bodies thought to make up the solar system in the 17TH century? Earth, Mercury, Venus, Mars, Jupiter, and Saturn, the sun, and the earth's moon.
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