Tag Archives: august 24

Rupert Grint’s Birthday

August 24 is English actor Rupert Grint’s Birthday!

Rupert Grint is best known for his role as Ron Weasley, one of the main characters in the Harry Potter film series. Grint was cast at only 11 years old, having no prior professional acting experience. He starred alongside Emma Watson and Daniel Radcliffe during all eight Harry Potter films from 2001 to 2011.

Since the Harry Potter series has come to a close, Rupert Grint continues to act in a variety of films, most recently in The Necessary Death of Charlie Countryman and CBGB.

Happy Birthday Rupert Grint!

Sources: Wikipedia, Biography

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Pluto Demoted

On August 24, 2006, Pluto was demoted from planet to dwarf planet, based on the International Astronomical Union’s (IAU) new definition of a planet:

A ‘planet’ is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighborhood around its orbit.”

- from IAU Resolution 5A

The IAU came up with the definition to resolve astronomers’ long-running debate over whether or not Pluto was a planet. In early August 2006, a group of astronomers appointed by the IAU to determine the definition of a planet decided on this definition as well as the definition of a dwarf planet. On August 24, 2006, the IAU passed one resolution that declared this definition of a planet and defined all other objects that orbit the sun as dwarf planets or small solar system bodies. The second resolution declares Pluto a dwarf planet, based on the definitions in Resolution 5A.

Head over to Curiosity.com for a simple explanation of the controversy over Pluto and why it was demoted. Or check out The New York Times’s August 24, 2006 coverage of Pluto’s demotion for an in-depth look at the controversy and how the decision to demote Pluto came to be.

Sources: The New York Times, Wikipedia, National Geographic

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