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A common type of energy is electricity.

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A way to make electricity is by using lemons.

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A way to make electricity is by using lemons.

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energy is not going to end if we save energy it is not going to end.

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energy is not going to end if we save energy it is not going to end.

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It mostly contain kinetic energy and gravitational energy .

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You should use renewable energy.

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The most energy used for the humans are:

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The most energy used for the humans are:

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electricity and natural gas are the most-used energy sources.

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The most common energy we use is electric energy because most people around the world use electronic kitchen microwave, fridge and ect.

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The most common energy we use is electric energy because most people around the world use electronic kitchen microwave, fridge and ect.

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Energy can only create a blast or wave but can not destroy each other.

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A new way to make electricity is  by using lemons and those bycicles

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A new way to make electricity is  by using lemons and those bycicles

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Energy can be neither created nor destroyed but only changed from one form to another.

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Can Energy move fast enough to go faster than an airplanes turbines moving?

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Can Energy move fast enough to go faster than an airplanes turbines moving?

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Yes radars.

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Energy can be dangerous. Like if you put a fork in an outlet, you have a big chance of getting shocked.

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A black hole contains dark energy and kinetic energy.

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A black hole contains dark energy and kinetic energy.

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Renewable sources of energy are better than non-renewable sources because they refill there self

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Renewable sources of energy are better than non-renewable sources because they refill there self

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No  bihandu the energy can't destroy other.

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No  bihandu the energy can't destroy other.

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The first law of thermodynamics applies to all energy  transformations including chemical reaction. This means that a chemical reaction can  release or absorb energy, but it can never create or destroy energy. ... If a chemical reaction releases energy it would have to go into the
surrounding

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Can energy be released as a wave physically?

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Can energy be released as a wave physically?

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Yes, radiation waves, colour, photoelectric, and nuclear fusion.

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kave

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Imblack hole have a singularityGeneral relativity predicts that any object collapsing beyond a certain point (for stars this is the Schwarzschild radius) would form a black hole, inside which a singularity (covered by an event horizon) would be formed

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Imblack hole have a singularityGeneral relativity predicts that any object collapsing beyond a certain point (for stars this is the Schwarzschild radius) would form a black hole, inside which a singularity (covered by an event horizon) would be formed

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we can not live on mars yet because mars has extreme temperatures that humans can't live on without a biodome.at night the temperatures can reach to -57 and at day time it is 80 so that is why we can not live on mars.

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we can not live on mars yet because mars has extreme temperatures that humans can't live on without a biodome.at night the temperatures can reach to -57 and at day time it is 80 so that is why we can not live on mars.

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y

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you

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Mercury < Mars < Venus < Earth.

Earth < Neptune < Uranus < Saturn < Jupiter.

Jupiter < Proxima Centauri < Sun < Sirius A.

Sirius A < Pollux < Arcturus < Aldebaran.

Aldebaran < Rigel A < Antares A < Betelgeuse.

Betelgeuse < Mu Cephei < VV Cephei A < VY Canis Majoris.

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Black holes have a finite lifetime due to the emission of Hawking radiation. However, for most known astrophysical black holes, the time it would take to completely evaporate and disappear is far longer than the current age of the universe. For example, a black hole with the mass of the Sun would take 2×1067 years to evaporate, whereas the age of the universe is only 13.8×109 years (thus it will take more than 1057 times the current age of the universe for that black hole to evaporate!)

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Black holes have a finite lifetime due to the emission of Hawking radiation. However, for most known astrophysical black holes, the time it would take to completely evaporate and disappear is far longer than the current age of the universe. For example, a black hole with the mass of the Sun would take 2×1067 years to evaporate, whereas the age of the universe is only 13.8×109 years (thus it will take more than 1057 times the current age of the universe for that black hole to evaporate!)

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Hafsa

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                     kave                            why is saturn the 5th brightest                                                     It is also the fifth brightest object in the solar system. In Roman mythology Saturn was the father of Jupiter, king of the gods. This relationship makes sense given that the planets Saturn and Jupiter are similar in so many respects, including size and composition.  

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                     kave                            why is saturn the 5th brightest                                                     It is also the fifth brightest object in the solar system. In Roman mythology Saturn was the father of Jupiter, king of the gods. This relationship makes sense given that the planets Saturn and Jupiter are similar in so many respects, including size and composition.  

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a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure. Modern astronomers divide the sky into eighty-eight constellations with defined boundaries.

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The surface temperature of mars can range between -87 degrees celsius and -5 degrees celsius.

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Centre of gravity, in physics, an imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be concentrated. The concept is sometimes useful in designing static structures (e.g., buildings and bridges) or in predicting the behaviour of a moving body when it is acted on by gravity

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all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago.

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why couldn't astronaut land on mars but can land on moon?

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why couldn't astronaut land on mars but can land on moon?

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we dont have enough energy. and if we did, it would take many years. but we can start on the moon.
-Arden

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Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound. If you are sitting in a space ship and another space ship explodes, you would hear nothing. Exploding bombs, crashing asteroids, supernovas, and burning planets would similarly be silent in space. In a space ship, you could of course hear the other passengers because your ship is filled with air.

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In

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Why are the colours warm for the gas giants??

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Why are the colours warm for the gas giants??

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but uranus is blue.
arden

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what will black holes do if 3 stars die at the same time

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what will black holes do if 3 stars die at the same time

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the black hole would get significantly bigger
Arden

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For sound to travel, there has to be something for the sound molecules to travel through. Since in space there are large empty areas, there is nothing for the molecules to travel through. There is no sound in space.

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In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside and from which matter and light cannot escape.

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space was discovered in 1923 and it is discovered by american astronomer Edwin Hubble

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From the outside, the object going inside will seem to slow down and turn red. Then, it will fade away.
arden

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A planet about the size of mars collided with the young earth, and the debris gathered and formed the moon.
arden

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The Milky Way is the Galaxy in which we live. It is a spiral shaped galaxy that contains several hundred billion stars, including our Sun. It is about 100,000 light-years across and about 10,000 light-years thick.

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there is no sound in space because there are no molecules to vibrate, so it cant travel.
arden

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Astronomers have estimated that the total luminosity of the central dozen or so light-years of our galaxy is equal to about 10 million suns. That sounds big and bright – until you recall that the center of our galaxy is 25,000 light-years away

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Sarjena - How bright is a laser beam when viewed from the side.

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Sarjena - How bright is a laser beam when viewed from the side.

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While traveling through the vacuum of space, laser beams are invisible unless shot directly into your eye. The experience you know of as vision consists of light entering your eyes and being detecting by cells on your retinas. You can't see any light that never enters your eyes. A beam of light, including laser light, will not enter your eye unless aimed directly at it or reflected directly into it by an object. The vacuum of space does not have anything to reflect the light back into your eye. Only by adding air, dust, or debris does a light beam become visible from the side.

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It’s hard to wrap our heads around the size of our galaxy, let alone the Universe. At 100,000 light-years across, it would take the New Horizons space probe—the fastest object ever launched by humans—some 1,844,000,000 years to travel from one side of the Milky Way to the other (it’s currently moving away from Pluto at 58,536 km/h or 36,373 mph).

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Planets have the colors that they have because of what they are made of and how their surfaces or atmospheres reflect and absorb sunlight. Mercury has a dark gray, rocky surface which is covered with a thick layer of dust. The surface is thought to be made up of igneous silicate rocks and dust.

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Great question: In our universe there are about 10 billion galaxies and for each galaxy there are about 100 billion stars, so in total there about 1 billion trillion stars in the whole universe.

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Great question: What countries are part of the I.S.S. The I.S.S is part of the United States of America (NASA) however there are 14 other countries take part in the I.S.S. The 14 other countries include Russia, Canada, Brazil, France, Germany, Italy, Netherlands, Norway, Spain, Sweden, Switzerland, and the United Kingdom.

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There are all lot of types of energy.

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oil and gas are not endless. Everything else is close to endless.

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oil and gas are not endless. Everything else is close to endless.

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To midhunan 2.0

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Black holes is a small area in space that is so dense that it attracts everything to itself. it may mesure no more than 5 km

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Sound in space not possible because sound is atoms moving quickly

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Can energy be released as a wave physically?

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Can energy be released as a wave physically?

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Yes, r

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Centre of gravity, in physics, an imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be concentrated. The concept is sometimes useful in designing static structures (e.g., buildings and bridges) or in predicting the behaviour of a moving body when it is acted on by gravity

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your body will stretch super long and then your body will shrink very small

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Yes some times energy can be dangerous. 

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Yes some times energy can be dangerous. 

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Space is endless

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Black holes do not trap light. Instead their gravitational pull is too high/strong, that it does not allow light to pass from it. If you mean can photons inside the event horizon of a black hole make it out, the answer is no.

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Black holes do not trap light. Instead their gravitational pull is too high/strong, that it does not allow light to pass from it. If you mean can photons inside the event horizon of a black hole make it out, the answer is no.