Help make Alexa smarter on Alexa Answers. Sign in with Amazon


Which planet has no atmosphere?

Our Solar system: of all planets, including the five recently added dwarf planets, all but Mercury have an atmosphere. Mercury has a exosphere. It is theorized there are trillions of rogue planets free floating in the Universe orbiting no star, or hurled out of their galaxy with no atmosphere.

{{ relativeTimeResolver(1595208269918) }}

Points points 79
Rating 1

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world