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Understanding the size of Earth in comparison to the rest of our solar system -- an amazing illustration to visualize the size and scale of our world!

Visualizing The Size And Scale Of Our World

Understanding the size of Earth in comparison to the rest of our solar system -- an amazing illustration to visualize the size and scale of our world!

The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)

the golden record images -Famous "Voyager 1" spacecraft was launched by NASA on September 5, 1977. Despite its primary missions (to study the outer Solar System and interstellar medium) the spacecraft had another – to send a message to other life forms in the universe.

UPDATE: Hawking’s new suggestion is that the apparent horizon is the real boundary–a place that grows or shrinks according to how much matter is consumed or radiation is given off. Ultimately, as Hawking writes, “The absence of event horizons means that there are no black holes — in the sense of regimes from which light can’t escape to infinity.” - Credit: NASA - Read more: http://www.fromquarkstoquasars.com/stephen-hawking-bombshell-black-holes-as-we-know-them-do-not-exist/