![SOLVED: (II) Our nearest star (other than the Sun) is 4.2 light-years away. That is, it takes 4.2 years for the light it emits to reach Earth. How far away is it SOLVED: (II) Our nearest star (other than the Sun) is 4.2 light-years away. That is, it takes 4.2 years for the light it emits to reach Earth. How far away is it](https://cdn.numerade.com/previews/f9b3e9d3-a616-41f2-b4ec-0836ed6e32d1_large.jpg)
SOLVED: (II) Our nearest star (other than the Sun) is 4.2 light-years away. That is, it takes 4.2 years for the light it emits to reach Earth. How far away is it
![SOLVED: 4. Does a black hole have to be indescribably dense? Would it be possible for us to approach and enter a black hole without becoming aware of it until it was SOLVED: 4. Does a black hole have to be indescribably dense? Would it be possible for us to approach and enter a black hole without becoming aware of it until it was](https://cdn.numerade.com/ask_images/d649af6c48464394a90a7452390b780e.jpg)
SOLVED: 4. Does a black hole have to be indescribably dense? Would it be possible for us to approach and enter a black hole without becoming aware of it until it was
![OpenStax College Physics Solution, Chapter 24, Problem 18 (Problems & Exercises) | OpenStax College Physics Answers OpenStax College Physics Solution, Chapter 24, Problem 18 (Problems & Exercises) | OpenStax College Physics Answers](https://video-thumbs.collegephysicsanswers.com/ed1/ch24/ed1ch24pe18/thumbs-ed1ch24pe18-00002.png)