D'autres idées de Bob
Milky Way

Milky Way

The Milky Way

The Milky Way

Our sun and solar system move at about 800 thousand kilometers an hour – that’s about 500 thousand miles an hour – in orbit around the Milky Way's Center, taking approximately 225-250 million years to complete the journey. | EarthSly

Our sun and solar system move at about 800 thousand kilometers an hour – that’s about 500 thousand miles an hour – in orbit around the Milky Way's Center, taking approximately 225-250 million years to complete the journey. | EarthSly

solar flare

solar flare

Enormous Coronal Mass Ejection from 5/1/13 | wired.com

Enormous Coronal Mass Ejection from 5/1/13 | wired.com

Around the Solar System - In Focus - The Atlantic

Around the Solar System - In Focus - The Atlantic

snowy alaska animal photography | Photo: Amazing Aurora Borealis over Alaska.Alaska's Northern Lights ...

snowy alaska animal photography | Photo: Amazing Aurora Borealis over Alaska.Alaska's Northern Lights ...