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Noticias científicas 4 Outubro 2025

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Rara Passagem Cósmica: Cometa Interestelar 3I/Atlas Passará Rente a Marte enquanto Naves Espaciais se Preparam para Estudo de Perto

O cometa interestelar 3I/Atlas foi detectado em 1º de julho de 2025 pelo telescópio ATLAS no Chile, viajando a 219.000 km/h. Em 3 de outubro, passará a 30 milhões de quilômetros de Marte, sendo monitorado por sondas da ESA e NASA. O JUICE observará o cometa após seu periélio em novembro. Não há risco para a Terra; a aproximação máxima será de 272 milhões de quilômetros em dezembro.

Stock Market Today

  • Centene Launches Community Programs Amid Depressed Stock Price: What Investors Should Know
    March 20, 2026, 6:30 AM EDT. Centene Corp subsidiaries have initiated community-focused programs targeting behavioral health, job training, housing support, and diabetes care, aiming to assist underserved populations across major U.S. markets. These efforts come as Centene shares (NYSE:CNC) remain under pressure, with a recent price of $35.57, down 13.7% in the past month and 40.3% over one year. Investors should monitor these initiatives closely for insights into Centene's regulatory relations and potential impact on medical loss ratios and membership retention. Despite current headwinds, the stock trades nearly 17% below analyst targets and is marked as undervalued by Simply Wall St. Key risks include rising costs without clear reimbursement or measurable health outcomes.
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