Why is Venus So Hot? We Asked a NASA Scientist

The planet’s thick CO2-filled atmosphere is great at trapping heat. This creates a runaway greenhouse effect that makes Venus roughly 700°F (389°C) hotter than it would be otherwise. @NASAJPL's Dr. Amy Hofmann provides all the sizzling details. Explore more about Earth’s closest planetary neighbor: https://solarsystem.nasa.gov/planets/...