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The Challenges of Space Exploration: An Astronaut's View
Dr. Franklin Chang-Diaz, 7-time Space Shuttle Astronaut Downtown Raleigh Alliance... but that's Saturday
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"I will do my best to understand and explain the universe from big to small without invoking miracles, unrepeatable events, or divine intervention. In place of those things I will use observations, mathematics, and science." -Cross My travel blog Some of my Astrophotography Those that lack education have a hard time understanding its value. - Cross |
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What made me think of it was that I was reducing radio astronomy data and looking up about sideral time, I came a time zone with :45, thats wierd, it was 3/4 of a day since I got the nod and I didn't have a question so I went with that.
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Eight is also the probable number of observed historical supernovae in the Milky Way. It could be as high as 15.
Interestingly the entire local group has only generated a measly two other supernovae - SN1885 (S Andromedae) and SN1987A |
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Good point, I should have made the wording more ... extragalactic.
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4 - I am almost completely certain this is wrong, but I cannot come up with anything other than the simplest answer. There must be a rub, I can't imagine Eroica is just asking for the "double double" without any further twists....
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Non sunt multiplicanda entia praeter necessitatem. |
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It is suppose to be an "easy question", but Eroica did not promise it wouldn't be clever.
Where did your bludgeoning hammer go? ![]() 5 is an easy answer.
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Lighten up! This is a stellar board! Author: duh. "The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do..." Author: Galileo supposedly. |