Laurence Tognetti
- Indexed articles, last 90 days
- 24
- Latest publication
- Oct 1, 2026
- Outlet visibility, for Universe Today
- Top 500K sites
- Earliest in this view
- Jul 22, 2026
Latest articles
Mars' North Pole Ice Is Far Cleaner Than Expected (opens the original)
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The planet Mars is known for its massive dust storms, dust devils, and two large polar ice caps, with its north polar cap being one of the Red Planet’s most striking features. Comprised of water ice, the north polar cap not only holds potential for being a source of water for future human missions, but it also helps researchers’ piece together past climates on Mars. But an ongoing debate within the scientific community is the ice-dust relationship at the north polar cap, specifically how much du
First Direct Image of Protoplanet Swirling Surrounding Gas (opens the original)
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The formation and evolution of planets is the driving force behind both where and how we might find life beyond Earth. This complex and lengthy process first begins with a massive ball of gas and dust that swirls until it flattens into a disk, followed by rocks ranging in size from pebbles to kilometer-scale objects clumping together in a process known as accretion, as they too swirl around within the larger disk and form rocky planets closer to the star and the farther out planets collect the g
Coldest Lava Exoplanet Found to Hold an Atmosphere (opens the original)
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Exoplanets continue to challenge our understanding of planetary formation, evolution, and whether they might be able to support life as we know it. Scientists often use planets in our solar system as analogs for exoplanets, studying exoplanets with extremely short orbital periods forces scientists to constantly rethink our understanding of what planets can withstand during their lifetimes. One such type of exoplanet that has entered the foray in recent years are “lava world” exoplanets, and espe
Direct neutral gas found in galaxies 700M yrs post-Big Bang (opens the original)
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Approximately 13.8 billion years ago, the Big Bang is hypothesized to have occurred, kickstarting our universe and eventually life on our small, blue world. While the Big Bang has yet to be directly observed, scientists have worked tirelessly to piece together the events that happened immediately after the Big Bang, specifically the first billion years or less, with the goal of gaining insight into the how the first stars, and potentially planets, formed and evolved. Now, an international team o
JWST Finds Dynamic Structural Evolution in Chariklo’s Rings (opens the original)
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When we think of asteroids, we often think of the main asteroid belt between Mars and Jupiter that contains the majority of the known asteroids in our solar system. However, our solar system hosts several other populations of asteroids and icy rocks, including the Jupiter Trojan asteroids that orbit in Jupiter’s orbit, and the icy bodies and comets of the Kuiper Belt. But there’s one population of asteroids that often gets overlooked called Centaurs, primarily because their orbits are not in a f
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