Tag Archives: alert
Discovery Alert: a ‘Hot Neptune’ in a Tight Orbit
A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such as these form.An international team of scientists used the NASA space telescope, TESS (the Transiting Exoplanet Survey Satellite), to discover the exoplanet (a planet outside our solar system), then made further observations with ground-based telescopes in Australia, Chile, and South Africa. The measurements placed the new planet squarely in the “hot Neptune desert” – a category of planets with so few members that their scarcity evokes a deserted landscape. This variety of exoplanet is similar to our own Neptune in size and composition, but orbits extremely closely to its star. In this case, a “year” on TOI-3261 b is only 21 hours...
Alert: NASA says an astronaut is in the hospital as a ‘precautionary measure’ after returning from an extended stay in space
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Aurora alert! Everything you need to know about experiencing the Northern Lights in Ireland
NASA Space Technology It was 10.30pm, I was in bed and my phone beeped. An incoming text message: “Go look at the night sky, the lights are visible, don’t forget to make a wish”.I went outside but couldn’t see anything. From photos of the Northern Lights, I had naively expected to be blinded by the sky pulsing with colour.It’s a far more subtle affair than I’d imagined, all I could see was a grey patch. That changed when I took a photo. Then, I saw magic. I wasn’t alone. Thousands of people in Ireland enjoyed the awe-inspiring Northern Lights on October 10.Unlike me, most night-sky enthusiasts were aware of the increased chance of witnessing the Northern Lights.The National Oceanic and Atmospheric Administration had predicted a “major aurora” and stargazers were mesmerised by the spectacular display...
Alert: SpaceX launches rescue mission for two NASA astronauts who are stuck at the International Space Station until next year
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