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In coming years, the first truly Earth-like planets will be discovered orbiting other stars, and the search for signs of life on these worlds will begin. However, such observations will be hugely time-consuming and costly, and so it will be important to determine which of those planets represent the best prospects for life elsewhere. One of the key factors in such a decision will be the climate variability of the planet in question - too chaotic a climate might render a planet less promising as a target for our initial search for life elsewhere.
On the Earth, the climate of the last few million years has been dominated by a series of glacial and interglacial periods, driven by periodic variations in the Earth's orbital elements and axial tilt. These Milankovitch cycles are driven by the gravitational influence of the other planets, and as such are strongly dependent on the architecture of the Solar system.
Here, we present the first results of a study investigating the influence of the orbit of Jupiter on the Milankovitch cycles at Earth - a first step in developing a means to characterise the nature of periodic climate change on planets beyond our Solar system.
james_davis_nicoll: (Default)
Issue   T   F    M    Mu   F/T
1.1    15   2   13         .13
1.2    14   3   10     1   .21
1.3    13   2   11         .15
1.4    13   4    9         .31   
2.1     ?   ?    ?     ?    ?


I am sure the TOC for 2.1 must be on their webstie somewhere but I ran out of patience looking for it.
james_davis_nicoll: (Default)

Hokkyoku Nigo is part of a small subset in Japan with a fetish for wearing outfits called “zentai” — an abbreviation of “zenshintaitsu”, which means “full body suit” — who say they are seeking liberation by effacing the physical self.


Image is a link.

Read more... )
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"GLENDOWER
I can call spirits from the vasty deep.
HOTSPUR
Why, so can I, or so can any man;
But will they come when you do call for them?"

They do if you use the magic words David Brin Glory Season. Or one will, any, from the deeps of the interwebs.

james_davis_nicoll: (Default)
(not in relation to anything I mentioned getting)

Before sending your ebook out for review, take a quick look to make sure it's readable. Just had one that isn't. Looking at it, i would guess it was originally a pdf and someone fed it through Caliber without double-checking the resulting epub.
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Fake banana is the best fake flavour.
james_davis_nicoll: (Default)
Did it really only have the two issues or is the entry for it in ISFDB incomplete?
james_davis_nicoll: (Default)

April 17, 2014

Using NASA's Kepler Space Telescope,
astronomers have discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the range of distance from a star where liquid water might pool on the surface of an orbiting planet. The discovery of Kepler-186f confirms that planets the size of Earth exist in the habitable zone of stars other than our sun.
james_davis_nicoll: (Default)
I really did mean to type Sudoku. While your suggestion that I actually meant to type sodomy is bold and innovative, it is also wrong.
james_davis_nicoll: (Default)

Debate over the safety of Wi-Fi in schools is on hold now that the Waterloo Region District School Board plans to upload the controversy to its parent organization.
james_davis_nicoll: (Default)
Woman writes an article about a lousy cover, gets rape threats.

On an issue raised in the original article, why are so many comic book artists so terrible at drawing human breasts? Don't we live in a research-friendly environment these days, what with the interwebs?

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