Schiaparelli’s descent to Mars in real time

17 October 2016 Astronomy Now

A realtime animation of the European Space Agency’s ExoMars Schiaparelli module entering and descending through the atmosphere to land on Mars. The animation starts when the lander enters the atmosphere at an altitude of 121 km at 14:42 GMT. In six minutes it will use a heatshield, parachute and thrusters to brake from 21,000 km/h to a near standstill 2 metres above the surface, where a crushable structure on its underside will absorb the final shock.

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Rosetta’s new view of Comet 67P

20 July 2015 Astronomy Now

Comet 67P/Churyumov-Gerasimenko is now less than a month from perihelion, its closest approach to the Sun occurring on 13 August. ESA’s Rosetta spacecraft captured this view of enhanced activity from the comet’s twin-lobed nucleus on 7 July.

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See the Red Planet, Saturn and Moon get close in the dawn sky

26 March 2018 Ade Ashford

Early risers will already be aware that there’s currently a lot of planetary activity in the morning sky, but at dawn in Western Europe on Monday, 2 April, Mars and Saturn will be just 1¼ degrees apart and seen in the same field of view of telescopes at 30x magnification. The waning Moon is close by on the mornings of 7 & 8 April too.

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Chasms on Dione

18 August 2015 Astronomy Now

While not bursting with activity like its sister moon Enceladus, the surface of Saturn’s moon Dione is definitely not boring. Some parts of the surface are covered by linear features, called chasmata — bright icy cliffs among myriad fractures — which provide dramatic contrast to the round impact craters that typically cover moons.