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Scientists Plan on Taking the Risk, Brings Rosetta Closer To Comet

With a view to communicate with its robotic lander on the surface and start experiments that could unlock some of the universe’s secrets, the European scientists are planning a risky maneuver to get their Rosetta spacecraft closer to the comet it is orbiting.

Scientists plan risky move to get Rosetta spacecraft nearer comet Photo Credit: Google Images

Scientists plan risky move to get Rosetta spacecraft nearer comet
Photo Credit: Google Images

The scientists were surprised at the weekend by waking up and getting a signal to Earth by the lander called Philae. Its historic landing on comet 67P/Churyumov-Gerasimenko in November was marred when it bounced into a position too shadowy to power its solar panels.

With the comet moving closer to the sun, scientists hope Philae will be able to generate enough power to resume its pre-programmed experiments.

But in order to receive the data, Rosetta will have to get closer to the comet — to an orbit of about 180 km (112 miles) compared with about 220-240 km now.

The approach of the comet at the nearest point of its orbit to the sun on 13 August and throwing off dust that could block the equipment Rosetta uses to orient itself is a risky move.

The comet is a very, very active object at the moment, it’s a bit as if you were to imagine taking your car through a snowstorm,” Elsa Montagnon, Rosetta deputy flight director at the European Space Agency, told a press briefing at the Paris air show on Wednesday.

We reckon it should be safe but as soon as we see activity coming back we may have to retreat further,” Montagnon added.

Samples drilled from the roughly 3 by 5 km comet by Philae will unlock details about how the planets – and possibly even life – evolved is hopeful by the scientists. Comets made up of rock and ice preserve ancient organic molecules like a time capsule.

Had it landed in the chosen spot, Philae would have been out of action by now as temperatures in its surroundings would have been too high for its systems to work, Jean-Pierre Bibring, Philae lead scientist, told the briefing.

Thanks to the shadow, we have the capability now to wake up and have a very long-term activity. Now we are in a position not only to wake up but to resume science to an extent that might go beyond our expectations,” he said.

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Enozia Vakil is an online entrepreneur, writer, editor and an avid reader. She has been associated with some of the best names in both online and print media, and holds a degree in Alternative Medicine.

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