Author Question: The composition of a planet's atmosphere be measured during a transit by analyzing A) the excess ... (Read 70 times)

Yolanda · **on:** Jul 27, 2018

The composition of a planet's atmosphere be measured during a transit by analyzing

A) the excess absorption of starlight at specific wavelengths.
B) the excess emission of starlight at specific wavelengths.
C) the length and depth of the dip in light during the transit.
D) the amplitude and period of the star's motion.
E) the wobble in a star's position on the sky.

Question 2

From the center outward, the correct order is

A) liquid iron inner core, solid nickel outer core, rocky mantle, silicate crust.
B) solid metallic inner core, molten metal outer core, silicate mantle and crust.
C) solid metal core, molten metal hydrosphere, rocky lithosphere, gases in atmosphere.
D) solid rock core, liquid metal mantle, solid rock crust.
E) molten metal hydrosphere, molten rock lithosphere, solid silicate crust.