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Citizen Digital (Quênia)
Em 2025: 1 notícias
Desde 1995: 3 notícias
Oldest-known ant preserved in 113 million-year-old Brazilian fossil
Publicado em 26 de abril de 2025
Scientists have identified the fossilised remains of the oldest-known ant - a winged insect with fearsome scythe-like jaws that lived about 113 million years ago during the age of dinosaurs and was preserved in limestone unearthed in northeastern Brazil.
The species, called Vulcanidris cratensis, is part of a lineage called hell ants - named for their demonic-looking jaws - that prospered in a wide geographical range during the Cretaceous Period but have no descendants alive today. A [...]
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Twisted magnetic field observed around Milky Way's central black hole
Publicado emBy Will Dunham WASHINGTON (Reuters) – Astronomers on Wednesday announced that they have detected a strong and organized magnetic field twisted in a spiral pattern around the Milky Way's supermassive black hole, revealing previously unknown qualities of the immensely powerful object lurking at the center of our galaxy. WASHINGTON, March 27 (Reuters) - Astronomers on Wednesday announced that they have detected a strong and organized magnetic field twisted in a spiral pattern around [...]ver notícia -
This dwarf planet has a ring instead of a moon, and scientists don’t know why
Publicado em 09 fevereiro 2023(CNN) — Recent data from a telescope revealed that a small planet located in the far reaches of our solar system is surrounded by a dense ring, and scientists are baffled. The planet, called Quaoar, is one of approximately 3,000 small planets that orbit the Sun beyond Neptune. With a width of 1,110 kilometers, it is the seventh largest, with Pluto and Eris being the largest. Observations of Quaoar made between 2018 and 2021 revealed that the planet has a ring located farther away [...]ver notícia