The planet, called LHS 475 b, is almost exactly the same size as the Earth. That same month, it found an Earth-like exoplanet outside the solar system. The James Webb Space Telescope is the largest optical telescope in space, equipped with high-resolution and high-sensitivity instruments to conduct infrared astronomy, allowing objects that were previously too old or far away to be seen.Īmong its discoveries, an image beamed back to Earth from the telescope in January 2022 offered clues on how the first stars were born.Īstronomers believe the image shows a young cluster of stars more than 200,000 light years from Earth, in a dwarf galaxy called the Small Magellanic Cloud, could help shed light on how the first stars formed during the “cosmic noon” period, about two or three billion years after the Big Bang. “If even one of these galaxies is real, it will push against the limits of our understanding of cosmology,” she said. “Some of these galaxies would have to be forming hundreds of new stars a year for the entire history of the universe.”Ĭalculations suggest there should not have been enough normal matter to form so many stars so quickly at the time. “The Milky Way forms about one to two new stars every year,” Ms Nelson said. The team discovered that the old galaxies contained tens to hundreds of billions of sun-sized stars' worth of mass, similar to Earth’s own Milky Way galaxy, though the galaxies probably had little in common. “They were so red and so bright,” she said. ![]() Since then, engineers have been fine-tuning it. She was looking at a postage stamp-sized section of one image when she spotted “fuzzy dots” of light that she said looked too bright to be real. The 1.4bn (£1.2bn) Euclid telescope went into space in July. Ms Nelson and her colleagues from the US, Australia, Denmark and Spain formed a team to investigate data sent back to Earth by the telescope. ![]() Nasa releases new batch of James Webb Telescope images The Hubble space telescope can see a maximum of 13.4 billion light years distant, and while the mere 200 million light-year advantage the Webb offers doesn’t seem like much, it’s in fact huge.
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