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Our Solar System is thought to have formed from a cloud of dust and gas called the Solar Nebula that collapsed under its own gravity about 4 and a half billion years ago. In order to understand exactly how the … Continue reading
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What is your favourite space mission? We’re hosting #MissionCup2021 over on our @EarthSolarSystm Twitter account from Thursday 4th Feb. Join us to vote for your favourites from midday each day, and help choose which mission will be crowned champion. T-8 … Continue reading
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Last time we talked oxygen; this week it is nitrogen’s turn. Analysing the isotopic composition of nitrogen in the solar wind was the second highest priority science objective of the Genesis mission. Nitrogen has two stable isotopes: 14N and 15N. … Continue reading
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Following on from my last post highlighting the scientific objectives of NASA’s Genesis mission, today I’m going to focus on oxygen. Analysing the isotopic composition of oxygen in the solar wind was the highest priority science objective of the Genesis … Continue reading
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Last year I wrote a few posts about NASA’s Genesis mission, explaining some of the background to the mission and why we need to know more about the original composition of the material our Solar System formed from. I wrote … Continue reading
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A couple of months ago I wrote about NASA’s Genesis mission, which collected solar wind to return to Earth for chemical analysis. Unfortunately the return to Earth didn’t go quite to plan: the parachutes on the sample return capsule failed … Continue reading
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A few weeks ago I wrote a piece on this blog asking the question what is our solar system made of? I explained our need to know the composition of the starting material from which our solar system formed. The … Continue reading
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According to the nursery rhyme, little boys are made of frogs and snails and puppy dog’s tails, whereas little girls are made of sugar and spice and everything nice! But what about our solar system? What is that made from? … Continue reading
Earth & Solar System 