Multiple choice general knowledge science & technology

Scientists today theorize that Mars formed by accretion, which took about:

  1. 100,000 years

  2. 4,000,000 years

  3. 10,000,000 years

  4. 2,000,000 years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Scientists estimate that Mars formed through accretion (the gradual accumulation of dust and rock particles) over approximately 100,000 years during the early solar system period. This process was relatively rapid compared to geological timescales, as the planet's core formed within just a few million years after accretion began.

Keep practicing — related questions