TE₂ on planet'
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- 3 O с Which of the following is a reason that astronomers have not found giant planets with the orbit of Neptune around other stars? our theories suggest that orbits as far away from a star as Neptune are never stable (and the presence of Neptune in our own solar system is a big mystery) the method we are using to find planets currently can only reveal low-mass planets, while we expect high-mass planets at the orbit of Neptune we have already found several planets as far from their stars as Neptune is from the Sun At the distance of Neptune's orbit, it takes 165 years to go around the Sun; getting information about just one cycle of such a planet's orbit around another star would take astronomers 165 years O at the orbit of Neptune, only very low-mass planets (smaller than Mercury) can form F3 $ 4 R (1) F F4 V DII % 5 T Q Search F5 G 6 B F6 Y = 8 0 H F7 & 7 U N PrtScn J F8 W 8 Home 1 W F9 M 9 K End O F10 ) PgUp 0 LNot sure what the answer is and why4. To calculate the energy necessary to move from one situation to another we compare the total energy in each. How much work must be done by a rocket engine to transfer a 1000 kg satellite from an orbit of radius 2R, to 3R,?