How did astronomers change the way people viewed the universe?
People originally thought that the Earth was the canter of the universe. Ptolemy, an Egyptian astronomer made a table where the planets and the sun all orbited the earth. Later... Galileo discovered that it was impossible for the Earth to be the center of the universe with the way the planets moved, and proposed that the sun instead was the center of our solar system. That is just one example. Astronomers have changed the way we have viewed our earth and our universe by making discoveries that have changed history. They have shaped how we view our universe today and continue doing so.
The Universe is expanding. What point is it expanding away from? Is there a center point? Is it too big and beyond our observation point now to know?
Where did Big Bang happened? We do not know.Where is the center of our universe? We do not know.“Therefore, if you use the light horizon to determine the center of the universe, you will always find it to be in roughly the same place as the observer”. You can find a really cool example of this effect here.Assume that the observable universe would collapse due to gravity. Again, a new universe appears by another big bang. We suppose a smart existent like human lives in the next universe, the question is: How he/she will know that we have lived before him/her? All the materials in the observable universe converted to energy and energy converted to matter again. How do we know there was a universe before the present universe or it has not been existed at all? We do not know the answer of this question. However, we know that any physical existent in this universe does not destroy and just it converts to another thing, converting energy to mass and vice versa, in fact, field converts to energy, energy converts to matter-antimatter and vice versa.
Is Mecca the center of the Earth?
Is Mecca the centre of the Earth? Will answer this as we progress.Link that you shared - not working."Many other sources" - Care too share a few?Now, back to the question of (1) Mecca being the centre of the earth, and (2) Muslims considering it so.Answering the first part:Earth is a sphere. Just for the sake of argument, let us accept that we haven't seen this with our own eyes. (Astronauts may have, but I am pretty sure they have better things to do than read this answer. Similarly, people on the sea beach and at the top of Burj Khalifa may have experienced scientific evidence for the earth being a sphere, but let us ignore them. Also ignore all airplanes flying around the earth.) What all of us have definitely seen is a 3-D world. Therefore, even if the earth is flat, it would mean the earth is a cuboid or cube and not a sphere. For any 3-D object, any point on its surface area cannot be the centre, and so Mecca cannot be the centre.If we assume that by earth we mean the surface of the earth and we assume the earth to be flat with distinct corners and edges, then I plead ignorance.Now, to the second part which you stated as a fact:No. Muslims do not think Mecca to be the centre of the earth. What we do have in some traditions is that the first portion of land that surfaced in the early stages of the formation of the earth was what is today Mecca. I am assuming you are familiar with the history of the formation of the earth.Again, this fact is in some traditions and not in the strongest ones, is not a core part of Muslim belief, and there is no way to actually prove this. Muslims can believe this. It's the same way we believe in God without there being any experience of God except spiritual ones.I don't know if this answers your question, but I hope it does.
Let f(x)=x^3-7x^2+25x-39 and let g be the inverse function of f. What is the value of g'(0)?
You want the inverse and then its first derivative's function value at (the new) x=0: I got: (41/(10*3^(5/2))+1/2)/ (3*(10/sqrt(3)+82/27)^(2/3))+ (26*(41/(10*3^(5/2))+1/2))/ (27*(10/sqrt(3)+82/27)^(4/3))=0.1 You may want to check results. The procedure is: Solve the initial equation for x. Then rename y with x and x with y. Next get the first derivative. Then plug in 0 for x and compute result.
What's the geographical center of earth?
Does sphere has a Center , where ever you stand on the earth it's Center .