Dr. Feryal Özel, Associate Professor, Astronomy/Steward Observatory, University of Arizona. Presented March 1, 2011. Gravity is the most important force in the universe, holding together planetary systems, stars, and galaxies. It is what makes the stars hot enough to shine and what keeps the Earth close enough to the Sun for life to form. It is also what ends the life of every massive star with a spectacular collapse and the formation of a black hole. Finding and studying hundreds of black holes within the Milky Way and in other galaxies brings us closer to understanding gravity at its extreme. Cosmic Origins is the story of the universe but it’s also our story. Hear about origin of space and time, mass and energy, the atoms in our bodies, the compact objects where matter can end up, and the planets and moons where life may flourish. Modern cosmology includes insights and triumphs, but mysteries remain. Join the six speakers who will explore cosmology’s historical and cultural backdrop to explain the discoveries that speak of our cosmic origins. cos.arizona.edu
Question by Frank M.: Quick!! What’s the best way to clean up black paint spilled on a green carpet?
Answer by reynwater
Laytex? pour water on it and sponge up with many folded towels, do not rub.
Oil? – serious eek, got terpentine?
Add your own answer in the comments!
Question by : STUFF WITH GREEN & BLACK MOLD CLEAN OR BUY NEW?
I was renting a storage unit, and there ended up being a leak and my Suede sofa has like 1/4 of it covered in green fuzzy mold and little black dots, my tv has green mold coming out the back, and my home theater system is moldy too. is it better to clean it all or buy new. will the mold come back if i clean? is my tv and home theater system worth cleaning? thanks
Answer by Frank
Buy new and promote economy.
Know better? Leave your own answer in the comments!
Question by Buzzie8: I want to check voltage to a hot tub motor. There is a white, a red, a black, and a green going to the motor. ?
I think that I should get 120 volts if I probe white to black or white to red. Should I get 240v if I probe red to black? I know green is a ground. Also, are there any wires that I should not probe together with my volt meter?
Answer by mustanger
You’ve got it right. !20 between neutral (white wire) and either of the hots ( black and red wires) and 240 between the two hots.
Give your answer to this question below!
Mysteries of Deep Space: Part 4 of 6. In the fold of our home galaxy, the Eagle Nebula is one of the richest of the great star nurseries. Intense stellar winds have sculpted a majestic castle of gas. Inside these giant columns, stars are being born. Yet for the dying stars that set this process in motion, the consequences are grim. Supernovae leave in their wake a range of bizarre objects. Among them, tiny ultra-dense objects called neutron stars, and their strange, other worldly cousins, black holes.
Question by mowcopw: i have a red black white and green wire witch one is power?
Answer by brandonandkarine
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Question by : Let me clear something up for people who are mad the the “Green Lantern” is going to be white and not black?
Ok, there are many green lanterns, every time the old Green Lantern dies, as he is dying he gives it to a new person, so yeah at one point in time it was black, but this one is when he was white.
All you people who thought “racist”, are stupid and know nothing about comics.
Answer by Sazwonderz
I never cared
What do you think? Answer below!
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