... data reduction and analysis techniques. Only HARPS has demonstrated such a precision and it remains the best planet hunter of its kind, 15 years after it began operations,” explains Nicola Astudillo-Defru (Geneva Observatory – University of Geneva...
...star in the form of stellar flares, dashing hopes that the planet might be habitable. But now a new study by scientists ... an important role in the long-term evolution of a planet's atmosphere and habitability. With a vast human population dependant ...
...exoplanets has revealed that Earth-like conditions on potentially habitable planets may be much rarer than previously thought. We need... are pretty slim. And, as far as we know it, a planet also needs to be placed in a sweet spot known as the habitable...
... the stellar brightness which could masquerade as a planet.” The international team of astronomers behind the discovery ...human – a tiny 3.5 kilometres an hour – but ESO’s planet-hunting HARPS instrument is one of them and its unprecedented accuracy ...
...life on Earth depends on iron and one reason why life on our planet adapted to using iron is because there is plenty of it. While ... to evolving into what we see around us today." Because our planet evolved in such a way that it had enough of an iron...
...hydrogen in our oceans does not represent hydrogen throughout the entire planet. This could be explained if, when the Earth was a small... a heavy element sunk into the centre of our planet. Deuterium meanwhile remained in the magma to eventually cool...