The star hd 102195 has a mass ma = 0.76 m⊙. its radial velocity varies sinusoidally with a period p = 4.11 days and an amplitude of va sini = 63 m/s. what is mb sini of the exoplanet causing these variations? express your answer in jupiter masses, mj . fyi: this planet was confirmed last september at kitt peak national observatory in arizona.

falling water hydro = water .. spectcular places these plants are

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

i will answer your question if you answer mine