The discovery of exoplanets in binary and triple-star systems raises the prospect that the galaxy houses many more such objects than was previously thought.

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In some northern cities, such as Manchester and Newcastle, many council houses are empty.

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For anyone thinking of selling privately, the key question is how many houses have actually been sold through such websites.

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After a few years of such imbalances, the country unsurprisingly ended up with far too many houses.

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At any one time, there will be 35 to 40 actors at work, many of whom have previous experience in "haunt environments" such as haunted houses.

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Due to the action plans designed during the sessions of the circles, learners have achieved many changes in their surroundings, such as building latrines and meeting halls, cleaning streets and houses, improving the hygiene habits of community members, including non-APLICA-learners, and improving access to drinking water.

UNESCO: Country Profile: Angola