Author Question: Many of the known extrasolar planets orbit their stars A) more closely than Mercury orbits the ... (Read 72 times)

lilldybug07 · **on:** Jul 27, 2018

Many of the known extrasolar planets orbit their stars

A) more closely than Mercury orbits the Sun
B) at about the same distance as the Earth orbits the Sun
C) at about the same distance as the planet Jupiter orbits the Sun
D) much further than the distance the planet Jupiter orbits the Sun

Question 2

The inner boundary of the Sun's habitable zone currently lies

A) between the orbits of the Earth and Venus
B) between the orbits of Venus and Mercury
C) exactly at the distance of the Earth's orbit
D) exactly at the distance of Venus