'Water-flow signs' found on Mars

Mars

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Scientists see dark 'tendrils', signs of flowing water, emerge from rocky Martian outcrops

Striking new images from the mountains of Mars may be the best evidence yet of flowing, liquid water, an essential ingredient for life.

The findings, reported today in the journal Science, come from a joint US-Swiss study.

A sequence of images from the Mars Reconnaissance Orbiter show many long, dark "tendrils" a few metres wide.

They emerge between rocky outcrops and flow hundreds of metres down steep slopes towards the plains below.

They appear on hillsides warmed by the summer sun, flow around obstacles and sometimes split or merge, but when winter returns, the tendrils fade away.

This suggests that they are made of thawing mud, say the researchers.

"It's hard to imagine they are formed by anything other than fluid seeping down slopes," said Mars Reconnaissance Orbiter Project Scientist Richard Zurek of Nasa's Jet Propulsion Laboratory, but they appear when it's still too cold for fresh water.

Salty water

"The best explanation we have for these observations so far is flow of briny water, although this study does not prove that," said planetary geologist and lead author Professor Alfred McEwen of the Lunar and Planetary Laboratory, University of Arizona.

Saltiness lowers the temperature at which water freezes, and water about as salty as Earth's oceans could exist at these sites in summer.

"This could be the first flowing water," said Professor McEwen. This has profound implications in the search for extraterrestrial life.

"Liquid water is absolutely essential for life, and we've found life on Earth in pretty much every moist niche," said Dr Lewis Dartnell, astrobiologist at University College London, who was not involved in the study.

"So perhaps there could be hardy microbes surviving in these short periods of summer meltwater on the desert surface of Mars."

This was echoed by an expert on life in extreme environments, Professor Shiladitya DasSarma of the University of Maryland, also not involved in this study: "Their results are consistent with the presence of large and extensive underground salty lakes on Mars."

"This is an exciting possibility for those of us studying salt-loving (halophilic) micro-organisms here on Earth, since it opens the possibility that these kinds of hearty bugs may also inhabit our neighbouring planet," he said.

"Halophilic microbes are champions at withstanding the most punishing conditions, complete desiccation and ionising (space) radiation."

For geologist Joe Levy of Portland State University, a specialist in Antarctic desert ecosystems, who did not contribute to this work, they represent "a truly tantalising astrobiological target".

These small and mysterious tendrils could then be the best place to look for Martian life. Professor McEwen says that "for present-day life, these are the most accessible sites".

Source: http://www.bbc.co.uk/go/rss/int/news/-/news/science-environment-14408928

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UMH, Sun Communities top REITs list on dividend yields | Daily ...

Home > News Item > UMH, Sun Communities top REITs list on dividend yields

laptop_man_by_EdYourdon_Flickr_creative_commons_posted_MHMSM.com_MHProNews.pngZacks reports the top five companies in the residential REITs (Real Estate Investment Trust) industry as measured by dividend yield. UMH Properties (AMEX:UMH) ranks first with a dividend yield of 6.6%.? UMH is followed by Sun Communities (NYSE:SUI), ranking second with a dividend yield of 6.6%. Home Properties (NYSE:HME) and Associated Estates Realty (NYSE:AEC) have dividend yield of 3.8%. American Campus Communities (NYSE:ACC) have a dividend yield of 3.6%. Dividends may enhance returns for investors seeking income as well as capital gains.

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(photo credit: EdYourdon Flickr Creative Commons)

Categories: News Item Tags: ACC, AEC, American Campus Communities, Associated Estates Realty, Daily Business News, factory built housing, HME, Home Properties, land lease community news, manufactured home community news, manufactured home marketing sales management, MHMSM.com, MHProNews.com, modular home news, prefab home news, prefabricated home news, SUI, Sun Communities, Top five residential REITs, UMH, UMH Properties

Source: http://www.mhmarketingsalesmanagement.com/blogs/daily-business-news/umh-sun-communities-top-reits-list-on-dividend-yields.php

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It is a Unquestionable Must to Have Home Security | The Home ...

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Source: http://www.2da6.com/it-is-a-unquestionable-must-to-have-home-security/

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Where to Watch the Leonid Meteor Shower Around Bardstown-Louisville, Ky., Area (ContributorNetwork)

Meteor showers are an exciting event for everyone involved; the problem is that not everyone lives in a location optimal for meteor shower viewing. I have compiled a list of three places near Bardstown and Louisville, Ky., where you will most likely see the clearest meteors during the Leonid Meteor Shower.

Boston, Ky.: It is just a hop, skip, and a jump from Bardstown to Boston and virtually any place in Boston is great for meteor shower viewing. Because it is more of a hamlet than an actual urban city, Boston makes viewing easy and fun. Boston offers a place to view that is far enough away from the bright city lights to see the meteors but close enough to civilization that you do not feel like you are in any danger of being lost. It takes about 20 minutes to get to Boston from the center of Bardstown.

Cox's Creek, Ky.: Cox's Creek is much like Boston except even closer to Bardstown. Cox's Creek is also a small collection of houses with little interference of city lights, which is sure to make viewing optimal. Cox's Creek is a little more grown up in terms of houses than Boston, so you may not be able to find any vacant lots to park and watch. But odds are if you have a friend or are a friend of a friend, someone will be friendly enough to let you watch from their front yard. It takes about 11 minutes to get to Cox's Creek from the center of Bardstown.

New Haven, Ky.: If you live in Bardstown, it's likely you are not going to be able to catch more than a passing glimpse of some of these meteors. So your best bet is to flee to the small outlying townships. New Haven is another one of these small places that offer great viewing of meteor showers. New Haven is a bit bigger than either Boston or Cox's Creek but is still remote enough that you can pull up in just about any parking lot and be able to get a clear shot of the meteor shower. It takes about 21 minutes to get to New Haven from the center of Bardstown.

Any of the places that I have mentioned above are great for viewing meteor showers. I live in Bardstown and the biggest benefit that I can see to all of these places is that they are far enough away from the city that the lights do no interfere but not so far that I feel like there is a chance I may get lost.

Directions

To Boston, KY from Bardstown, KY

To Cox's Creek, KY from Bardstown, KY

To New Haven, KY from Bardstown, KY

Source: http://us.rd.yahoo.com/dailynews/rss/space/*http%3A//news.yahoo.com/s/ac/20110803/us_ac/7193910_where_to_watch_the_leonid_meteor_shower_around_bardstownlouisville_ky_area

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