Author Question: An incredibly dense star so massive that light cannot escape from its surface is called a(n) ... (Read 61 times)

jparksx · **on:** Jul 28, 2018

An incredibly dense star so massive that light cannot escape from its surface is called a(n) ______________.
Fill in the blank(s) with correct word

Question 2

The concept of matter waves reflects the observation that particles such as electrons sometimes act like ______________.
Fill in the blank(s) with correct word