News tagged with night

Light at night, melatonin and bird behaviour

Low light levels, similar to those found in urban areas at night, can have a significant effect on melatonin production in birds at night. This suggests that melatonin could be mediating changes in bird behaviour at night. ...

dateOct 10, 2013 in Plants & Animals
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Preparing for comet ISON

(Phys.org) —ESA's space missions are getting ready to observe an icy visitor to the inner Solar System: Comet ISON, which might also be visible in the night sky later this year as a naked eye object.

dateSep 24, 2013 in Space Exploration
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Artificial lighting and noise alter biorhythms of birds

(Phys.org) —Noise from traffic and artificial night lighting cause birds in the city centre to become active up to five hours earlier in the morning than birds in more natural areas. These were the findings from an investigation ...

dateSep 24, 2013 in Ecology
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Perseid fireballs

In astronomy, there's nothing quite like a bright meteor streaking across the glittering canopy of a moonless night sky. The unexpected flash of light adds a dash of magic to an ordinary walk under the stars.

dateJul 30, 2013 in Space Exploration
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How many moons does Earth have?

Look up into the night sky and count the moons. You can see only one moon, "the" Moon. But does the Earth have any other moons? Around the Solar System, multiple moons are the rule. Jupiter has 67 natural satellites, even ...

dateJul 05, 2013 in Space Exploration
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