Tuesday, July 28, 2015

Relative sizes of Sun, Earth and Pluto in our solar system

Pluto mission
After nine years (mission began 19 January 2006 19:00:00 UTC) and three billion miles, NASA - National Aeronautics and Space Administration's New Horizons spacecraft zip past Pluto and its five moons on 14th July 2015 (11:49:57 UTC) spinning through space at 31,000 miles per hour.

Plutonium to Pluto
Clyde Tombaugh (a farmer turned astronomer) discovered this dwarf planet in 1930 using a telescope at the Lowell Observatory in Arizona. 

The Horizon spacecraft will be sending it's data back to earth up till 2030, being powered by RTG (Radio Isotope Thermal Generator) using Plutonium. 

Interestingly Plutonium itself was named after this tiny planet Pluto.

Tiny planet
Pluto has always been in controversy due to it's farthest distance from the earth and due it's tiny size relatively.

Relative sizes of the planet in our solar system
Roberto Ziche, illustration artist from San Francisco, based on the NASA and studies of other scientific institution, has created a rendering of our solar system which includes planets, our moon and four dwarf planets Pluto, Haumea, Makemake, Eris.  
picture credit; Robero Ziche
picture credit; Robero Ziche
Sitting in a line in front of the Sun, planets are placed in their relative sizes from left to right: Mercury (बुध), Venus (शुक्र), Earth (पृथ्वी) with moon, Mars (मंगल), Jupiter (बृहस्पति), Saturn (शनि), Uranus (इन्द्र/अरुण), Neptune (वरुण), Pluto (यम) and 3 more tiny planets then after.

Roberto Ziche, having more than 20 years of experience in creative art, his popular illustration clearly shows that Jupiter and Saturn are the biggest planets and then the Uranus, Neptune, Venus, Earth and Mars follow in sizes.

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