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faint, young sun paradox
Theories of stellar evolution denote that as stars mature over the main sequence, they steadily grow hotter & brighter; calculations recommend that at around the time of the creation of Earth, the Sun was roughly two-thirds the brightness that it is currently. But, there is no geological evidence over Earth (or on Mars) for the Sun being fainter in the past. Currently there is no apparent resolution for this paradox.
how to make an affective assignment on inertial frame of reference and using it the explanation of relative motion? to be noted i am a university student.
Wooden block sits on a level lab table. A string draped over a pulley connects to a bucket that can be filled with lead pellets. Maggie needs to measure how much applied mass (pell
Are fibers optics systems expensive? To find out whether a system is expensive one would have to establish a comparison with an option, which in most cases doesn't exist. To co
Electromagnetic waves are transverse waves; that means magnetic vector and electric vector, propagation vector are perpendicular to each other. Prove the statement mathematically.
Explain the differences between heat transfer mechanisms in solids, liquids, gases (conduction, convection, radiation) Explain the combinations of substances, in terms of molecula
why the direction of centripetal force isnot marked in diagram
5 example of Classification and 5 types of Vectors and 3 Dimensional Forces
Can you explain acceleration due to gravity?
Q. State the law of conservation of electric charges? The entirety charge in an isolated system always remains constant. For instance Uranium ( 92 U 238 ) can decay by emittin
For the arrangement shown in Figure find (a) the equivalent capacitance of the circuit, (b) the voltage across QR, and (c) the charge on each capacitor
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