Happy Earth day! We’ll have a lot of green projects, recycling and eco-friendly projects throughout the day – post up your favorites or suggestions in the comments!
How do we know what earth looks like from 4 billion miles away? Have we gone that far into space?
Trevynsays:
Ianga La’ Her:
We have. Voyagers 1 and 2 are both currently 7.5 billion miles away from the sun, and still going (and still transmitting!). I would guess that one of them took this picture.
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That dot…it sure is pale–and blue.
Hey! I think I can see my house from up here.
How do we know what earth looks like from 4 billion miles away? Have we gone that far into space?
Ianga La’ Her:
We have. Voyagers 1 and 2 are both currently 7.5 billion miles away from the sun, and still going (and still transmitting!). I would guess that one of them took this picture.