Only the Cape genet (a spotted, cat-like mammal native to southern Africa) attempts any level of interaction with us on the first night, skulking just outside the light circle of the campfire in anticipation of some leftovers, having become accustomed to the free handouts at the overnight stopping points.

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The night beyond the glass walls turned a profound, unsullied black, making our candlelit circle of light all the more companionable.

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Focus Electric, Fusion Energi plug-in hybrid and C-MAX Energi plug-in hybrid all have an LED charge port that displays a circle of light directly related to battery life.

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"Circle yourself in light from within, " added Ms. Mullen.

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Most stars also look like that when viewed in infra-red light, but for Zeta Lep the circle is bigger than expected.

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The book may throw some light on the influence women had in the Hitler circle, an area largely unexplored by historians.

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In visible light, all stars appear as points, only smeared out into a small circle by the atmosphere and by the optics of the telescope.

ECONOMIST: Planetary formation