Comments | ch_astronomy: Extra Credit Assignment 1

chsgurl2008 in ch_astronomy

Extra Credit Assignment 1

Jun 27, 2007 13:06

Perhaps one of the greatest aspects of modern astronomy was the "Great Pluto War". Astronomers had been looking for "Planet X" for decades before Clyde W. Tombaugh finally discovered Pluto in 1930, and until this decade, textbooks and other references listed Pluto correctly as the ninth planet in our solar system. Pluto's planethood status has been ( Read more... )

extra credit, assignments, pluto

Comments 6

Kellie--Ravenclaw tortured74 June 28 2007, 05:49:47 UTC

1905-Lowell Observatory in Kansas, U.S., starts searching for “Planet X” due to a reasonable assumption that Uranus’ orbit was being disturbed by another planet’s gravitational pull ( ... )

50 points to Ravenclaw! chsgurl2008 July 6 2007, 01:01:24 UTC

Congrats, you've gotten the maximum amount of points possible. Great job on including the entire definition. =D

Poor Poor Pluto j_belletto June 29 2007, 23:28:04 UTC

I went a little out side the window, hope thats ok ( ... )

45 points to Gryffindor! chsgurl2008 July 6 2007, 01:02:27 UTC

Excellent! I loved your use of information to go outside the box. I didn't award you the full amount of points since you didn't cite your sources as stated in the directions, but I only deducted a small amount of points because I liked your timeline so well. =D

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40 points to Gryffindor! chsgurl2008 July 6 2007, 01:03:55 UTC

Great job! I loved how you gave it in paragraph form rather than list form. =D

chsgurl2008 July 6 2007, 01:06:14 UTC

Oh, and for future reference, please please PLEASE cite your sources. I hated deducting points for it since the directions said to cite them. =(