4 experts explain why Elon Musk's plan to colonize Mars is 'romanticized', not 'realistic', 'cosmic vandalism'

• The new age space race has billionaires like Elon Musk wanting to colonize Mars.
• Four scientists told Insider his plan is bad for technical, scientific, and ethical reasons.
• The experts said forming a colony on another planetary body, like the moon, is more realistic.

SpaceX founder and entrepreneur Elon Musk has said he plans to have a million people on Mars by 2050.