05/07/14

SUPPOSE THAT THE SURFACE OF THE TEMPERATURE OF PLANET E IS 2.8*10 TO THE POWER OF 2 K . SUPPOSE PLANET E ORBITS A STAR S WITH SURFACE TEMPERATURE 5.6*10 TO THE
POWER OF 3 K AND RADIUS 7.2*10 TO THE POWER OF 5 kM. WHAT IS THE RATIO OF THE PEAK WAVELENGTHS OF RADIATION EMITTED BY STAR S TO THE PEAK WAVELENGTH OF RADIATION EMITTED BY PLANET E? WHAT IS THE... more
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04/14/14

WHY DO WE FIND ROCKY MATERIAL EVERY WHERE IN THE SOLAR SYSTEM, BUT LARGE AMOUNT OF VOLATILE MATERIAL ONLY IN THE OUTER REGIONS ?
WOULD YOU EXPECT THE SAME TO BE TRUE OF THE PLANETARY SYSTEMS . EXPLAIN YOUR ANSWER. 
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