Archive for the “Science” Category


Cat\'s Eye Nebula

The Astronomy Picture of the Day for September 24 shows the Cat’s Eye Nebula

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The Washington Post article Rita Is Gaining Force in the Gulf answers a question I had about Hurricane Names: what happens in a very active year when there are more hurricanes than allotted names.

But there is a finite number of preselected names — 21 — each summer, and after Rita, only four are left this year: Stan, Tammy, Vince and Wilma. If that list is exhausted, the meteorological group will have to revert to a backup plan: naming storms using the Greek alphabet, beginning with alpha, beta and gamma.

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Egg Science at the Science of Cooking site explains what happens when you heat, beat, or otherwise process an egg.

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The 10th planet discovered is bigger than Pluto!

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If you need something to worry about, according to APOD: - Chicago Meteorite Fall, the average homeowner should expect to repair direct meteor damage every hundred million years.

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Summer Solstice — from Eric Weisstein’s World of Astronomy has a chart of when exactly the summer solstice occurs each year. This year, the solstice occurs at 6:36 am (Universal Time) on June 21.

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Since I am an early riser, I’ve probably seen the phenomenon of Shadow Set, mentioned by Astronomy Picture of the Day, but had never heard the term before reading about it here.

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Machholz Meets the Pleiades
in today’s Astronomy Picture of the Day.

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The Horse Evolution faq from Talk Origins discusses the evolution of horses: At this point in the early Eocene, equids were not yet very different from the other perissodactyl groups; the Hyracotherium genus includes some species closely related to (or even ancestral to) rhinos and tapirs, as well as species that are distinctly equine. [Note: the particular species that probably gave rise to the rest of the equids, H. vassacciense, may be renamed, perhaps to "Protorohippus".]

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I was reminded of Jack’s comments about US media coverage of the disaster when I found RatcliffeBlog—Mitch’s Open Notebook: Tsunamis and U.S. media via Anita Rowland.

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