Cosmos (n): The totality of the universe; a harmonious and systematic whole.

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Russet (adj): A rough, reddish-brown colour associated with autumn.

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Lambent (adj): Lit with a soft radiance; gleam, glow or glimmer.

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Signal (n): A message conveying information, especially the transmission of pictures or sound via electric impulses.

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Refraction (n): The process of light meeting moisture droplets that contributes to the phenomenon of rainbows

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Synchronous rotation: An astronomical term describing one body orbiting another where the orbiting body takes as long to rotate on its axis as it does to make a single orbit.

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Horizon (n): The line at which the earth and the sky appear to meet.

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Buoyant (adj): Having the ability to keep afloat in liquid or gas.

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Mares' Tails: Popular name for Cirrus Uncinus clouds.

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Boreal (adj) Northerly; connected with the earth's northern hemisphere, especially its upper latitudes.

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Aphelion (n): The point in the earth's elliptical orbit of the sun when it is furthest away from the star.

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Summer solstice (n): The day on which when the sun reaches its highest point in the sky; the longest day of the year; the first day of summer.

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Alleviate (v): To reduce the severity of a problem; to ease; to bring relief.

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Cloud (n): General term for a mass of water droplets or ice crystals that may be suspended at different levels, and in different formations, in the Earth’s atmosphere. Clouds come in many diffferent species and are classified according to level, shape and composition.

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On Friday evening we looked up into the sky and saw a bright twinkly dot rising in the south – the International Space Station was overhead.

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