Answers created by Phillip E.

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• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• Who's interested in a new Socratic on a different website?
  
• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• You answered my question as yes someone answered no . I need correct answer for the question is kilometer is SI unit of length?
  
• What is time?
  
• Is gravity a law or theory?
  
• Write a source of sun/ star's energy?
  
• Does our universe have a 4th dimension?
  
• The dwarf planet Pluto has an average orbital radius of 40 AU. Using Kepler's third law of planetary motion, what is Pluto's orbit in Earth-years?
  
• Is it possible to measure the density of a supermassive black hole?
  
• Why does time slow down the faster you go?
  
• What defines the event horizon of a black hole?
  
• What is the gravitational force that the Sun exerts on Jupiter?
  
• Why has nobody unified the four fundamental forces? What are the key differences between them?
  
• Why is cosmic background radiation a microwave?
  
• How on Earth are we made of stardust? I just don’t get it. We, humans, are made of something that has been ushered off of star’s shoulders. I mean, really.
  
• What is the densest thing in the universe?
  
• Is gravity made of particles or waves?
  
• What are some examples of strong nuclear force?
  
• Can gravity be an electromagnetic force?
  
• What is the temperature of a white dwarf star?
  
• Is gravity a weak force?
  
• Why is a white dwarf hotter than a red giant star?
  
• What would happen if a massive black hole happens to enter our solar system?
  
• What is the life cycle of a black hole?
  
• Why is the length of day different in different seasons?
  
• What is the space time fabric made up of?
  
• How is a planet classified a planet?
  
• What causes the fundamental forces?
  
• Can light bend the space fabric?
  
• After a supernova, what factor determines whether a star becomes a black hole vs. a neutron star?
  
• How is nuclear fusion in a main-sequence star different from nuclear fusion in a giant star?
  
• What are the chances that there is another planet orbiting our sun beyond Pluto?
  
• How can you best define the concept of time? How can we say that time started after the Big Bang? How did this arbitrary concept first come about?
  
• What is binding energy and mass defect?
  
• Why is time on earth and time in space different?
  
• Why does a comet's tail always stream away from the sun?
  
• What is the shape of a black hole?
  
• How do black holes affect time?
  
• Does other galaxies exist with planets in them or are we the only one???
  
• What is at the center of the universe?
  
• Why is law of conservation of momentum important?
  
• What are the main properties of a planet?
  
• What characteristics of stars determine the length of a star's life?
  
• Did the four fundamental forces exist before the Big Bang? Or only after?
  
• How can we use CMBR as evidence of the Big Bang Theory?
  
• Why cant we create wormholes and black hole??
  
• Is teleportation of matter in large amounts possible and if so , will be it be possible to teleport living things through space-time ?
  
• During the late stages of a star's life, what causes the star to expand into a red giant/supergiant, then explode into a nebula or supernova?
  
• Is there any phenomenon in astrophysics which doesn't have an explanation?
  
• Most stars, around the size of the Sun, fuse helium to form carbon and oxygen, and then fusion stops. Why do you think large stars, bigger than 8 times the mass of the Sun, are able to fuse carbon and oxygen, forming elements up to iron?
  
• If one neutron is added to Helium nucleus, the result is? a) Lithium b) Helium c) Hydrogen d) Carbon
  
• What would happen if time stopped ?
  
• How are black holes formed?
  
• What is black hole in-universe?
  
• Can some explain what the "Strong Force" is and how it works?
  
• What is the shape of planetary orbits?
  
• What is the life cycle of a star?
  
• What colors are in the sun's rays?
  
• It takes millions of years to form a star.Why?
  
• What determines the orbital period of a satellite?
  
• What are the noble gases?
  
• What is velocity?
  
• What is inside a black hole?
  
• How do massive stars evolve?
  
• What units can be derived from the constants c, G and h?
  
• What is the definition of free fall?
  
• How Much Mass Does the Sun Consume?
  
• Solar eclipses occur due to the moon and sun being the same apparent size, but the moon is gradually receding. When did eclipses as we see them first appear, when will they end and when is/was the “perfect” age for a solar eclipse?
  
• What fuel powers quasars?
  
• How do you find the difference in distance between earth and Mars at different points in their orbits?
  
• Is our galaxy rotating about the supermassive black hole at its centre?
  
• What is a quasar?
  
• Why pair production and annihilation cannot occur in free space?
  
• Does gravity have a long range?
  
• How can the Earth move in the absence of external forces??
  
• What is a triple star system?
  
• What is inside a black hole?
  
• Are there more than four dimensions?
  
• What is a black hole?
  
• Which type of fusion occurs in the red giant phase?
  
• What can cause a breach in time?
  
• Why is pluto not known as a planet?
  
• Has time dilation been proved to occur?
  
• What is the difference between Astronomy and Astrophysics?
  
• Why doesn't atmospheric pressure affect weight?
  
• Why a day has only 24 hours?Why shouldn't we make it 48 hours by decreasing number of minutes per hour to 30?What made them choose 60 seconds per minute, 60 minutes per hour,24 hours per day?What is the reason behind choosing this UNIQUE NUMBER?
  
• Does light uses space fabric to travel?
  
• Energy is neither created nor destroyed but can be changed from one form to another.Then light energy is transformed to which form?
  
• What is the difference between gravitational, electromagnetic, and nuclear forces?
  
• Imagine a place where gravity is slower than on earth,there 1 second is equal to 10 seconds on earth.There, will light cover more distance than that on earth in 1 second? How will you measure its speed?
  
• Photons travel with speed #c# irrespective of frame. Explain?
  
• Why times runs slowy when gravity is high?
  
• Why It's not suitable for humans to emigrate to Mars today?
  
• Can matter be turned into energy?
  
• If light is a form of energy, why should it get attracted by the immense gravitational force exerted by a black hole?
  
• What is time travel??
  
• Why can't we see a new moon during the daytime?
  
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