weights and measures

using powerful  space telescopes nasa scientists have made the most precise measurement  ever of  a plant outside our solar system. The alien planet has mass greater  than earth but less than uranus or neptune which makes the planet a super earth. There are many super -earth in our galaxy the milky way but none in our solar system. From this planet's density  scientists concluded  that it is made of iron and rock like earth however this super- earth is too hot habitable. From its closeness to its sun scientists say its surface temperature must be about  1'400 degrees fahrenheit (760 degrees celsius ) Meanwhile  european astronomers have discovered 16 super earths and one of these is the right distance from its sun to possibly support life researchers  also think the biggest super earths might have oceans. Sooner or later super earth may provide the answer  ti whether there is life elsewhere in space. Our ability to measure  precisely objects hundreds of light year will be key in solving the mystery. Scientists have now precisely measured plants beyond our solar system. These exoplanets include some  super  earth with masses bigger than our planet's read about how we measure thing closer to home in this chapter.