Why Might It Be Difficult for Earth-Like Planets to Form

question 24

Multiple Choice

Why might it be difficult for Earth-like planets to form around Sun-like stars in the inner parts of the disk of our galaxy?

• A) any stars would be sucked into the central supermassive black hole
• B) there would be insufficient amounts of heavy elements
• C) the stars would be packed together too densely for planets to be stable
• D) there would be too much harmful radiation