All the following statements about known extrasolar planets are true.Which one came as a surprise to scientists who expected other solar systems to be like ours?
A)Some of the planets orbit their star more closely than Mercury orbits the Sun.
B)Most of the planets are quite massive-much more like Jupiter than like Earth.
C)Most of the planets orbit stars that are quite nearby compared to the scale of the entire Milky Way Galaxy.
D)In some cases,we've found more than one planet orbiting the same star.

Question

Quizplus · Accepted Answer

Many extrasolar planets were found to orbit very close to their stars, much closer than Mercury is to the Sun, which was unexpected because scientists initially thought other solar systems would resemble our own, with planets at greater distances from their stars.

All the Following Statements About Known Extrasolar Planets Are True