Spacecraft are vehicles designed to travel beyond Earth’s atmosphere and explore space, such as other planets or orbits, before returning home again. Spacecraft may be either manned or unmanned. Propulsion usually comes in the form of rocket engines which use hot gases ejected out in opposite directions to change their trajectory. Definition Spacecraft refers to […]
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Mars stands out in our solar system as one of its brightest planets, boasting a reddish surface dotted with craters and giant volcanoes such as Olympus Mons. Mariner space probes provided us with our first close-up images of Mars in 1965, and since then scientists have studied it carefully, uncovering evidence of past life on
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People often associate Mexico with mariachi bands, tequila, tacos and stunning beaches – which are all valid associations – but there’s much more to this country than meets the eye. Mexico is an incredible Latin country boasting everything from the world’s largest pyramid to its smallest volcano! Here are 10 astonishing facts about this diverse
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Spacecraft buses or satellite platforms form the core of satellites, handling essential functions like power, propulsion, communication and attitude control. The Webb telescope’s Spacecraft Bus was an octagonal structure constructed to house its engineering subsystems. Powered by software commands sent from Earth via radio signals, its main purpose was to perform multiple functions for operations
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After Mariner 10, it took until 2004 for another spacecraft to orbit Mercury: the MESSENGER mission (MErcury Surface, Space ENvironment, GEochemistry and Ranging). MESSENGER successfully completed an exhaustive map of Mercury’s surface as well as confirmed water ice in polar craters. Europe and Japan’s joint BepiColombo probe is gearing up for its seven-year journey to
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Greece is widely acknowledged for being one of the sunniest countries in Europe and for its white and blue buildings, feta cheese production, ancient history and as the place where democracy first emerged. Greece boasts an abundance of archaeological sites and museums that are recognized by UNESCO, while its art has inspired generations of European
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There are a lot of creatures who feed on starfish! Unfortunately, some are extremely unpleasant; for instance, the harlequin shrimp is an aquatic crustacean which feeds on various sea life, including starfish! This animal captures its prey by expanding its stomach around it and then swallowing it whole. They may drop an arm when feeling
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Cheetahs (Acinonyx jubatus) are among the most enthralling big cats of Africa. These elegant predators feature yellow or tan short coarse fur with solid black spots, small heads with high-set eyes, teardrop-shaped facial streaks and tear-like patches along their cheeks. Hunters in open savannah or grassland habitat hunt by day, using their incredible speed to
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What is Bluesky? Bluesky may resemble Twitter at first glance, with users being able to post up to 300-character messages and toggle between an algorithmic feed and chronological feed. But Bluesky stands apart by being decentralized compared to Mastodon which requires joining servers, giving a similar experience like Reddit but allows users to create their
