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LeonArd

@leonardt

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20 Followers


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LeonArd
@leonardt
Venus dayside, synthesized false color image by Akatsuki's UVI (2015 Dec 07)
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LeonArd
@leonardt
A crater with a smile on his face has been spotted on Mars
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LeonArd
@leonardt
A land without oceans and seas.
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LeonArd
@leonardt
HDR negative image of the Andromeda galaxy
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LeonArd
@leonardt
Wait you 😉
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LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd pfp
LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd pfp
LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd pfp
LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd pfp
LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd pfp
LeonArd
@leonardt
Ratifying @procoin governance
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LeonArd
@leonardt
Loop
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LeonArd
@leonardt
“SN 1993J” a supernova explosion in progress captured by the Hubble ST.
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LeonArd
@leonardt
The Big One 🇹🇷
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LeonArd pfp
LeonArd
@leonardt
“SN 1993J” a supernova explosion in progress captured by the Hubble ST.
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LeonArd
@leonardt
What?
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LeonArd
@leonardt
It takes 230 million years to our Solar System to orbit the galaxy's center. Dinosaurs roamed one galactic year ago; human showed up just 0.001 galactic years back!😮 A Galactic Year = 230 Million Earth Years
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LeonArd
@leonardt
How long do black holes live? In 1975, British astrophysicist Stephen Hawking proved that black holes emit radiation (now called Hawking radiation) that carries away energy, and with it mass. The evaporation is faster the smaller the mass. A hole with a mass of 200 tons would evaporate in less than a second, releasing energy equal to the explosion of 20 million megaton bombs. However, such small holes have not been observed. Stellar-mass black holes (the smallest of the black holes discovered) evaporate in about 10⁷⁰ years. This is a trillion trillion trillion times the age of the Universe.
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LeonArd
@leonardt
My Cam 🚀
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LeonArd
@leonardt
Saturn's moon Titan has liquid oceans of natural gas
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