NASA

@NASA

Explore the universe and discover our home planet with @NASA. We usually post in EST (UTC-5).

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551 days ago

4 Comments

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Daxmore 551 days ago

It's getting warmer, so the north is less cold and hostile to life, so plants have a larger area to grow.

fidellisx 551 days ago

<a href="http://twitpic.com/cb1ton" title="Share photos on twitter with Twitpic"><img src="http://twitpic.com/show/thumb/cb1ton.jpg" width="150" height="150" alt="Share photos on twitter with Twitpic"></a>

barbarajacome1 551 days ago

.

afeefua 551 days ago

how it works? I mean how can i understand?