Tag: umbra
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Oct 28, 2014Uma espaçonave extraterrestre à espreita na órbita de um satélite próximo à Terra seria capaz de ver as luzes das cidades e a poluição em nossa atmosfera. -
Jul 21, 2014Because we live on the planet Earth, it's sometimes hard to gain some perspective about the visibility of life outside of our planet. An extraterrestrial spacecraft lurking in a satellite's orbit near Earth would be able to see city lights and pollution in our atmosphere.
