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1. www.britannica.com › place › Shandong-province-ChinaShandong | History, Population, Map, Cuisine, & Facts | ...

   www.britannica.com › place › Shandong-province-China

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   2024年5月21日 · Shandong province, China. Shandong, northern coastal sheng (province) of China, lying across the Yellow Sea from the Korean peninsula. Shandong is China’s second most populous province, its population exceeded only by that of Henan. The name Shandong, which means “East of Mountains,” was first officially used during the Jin dynasty in the ...

2. www.britannica.com › place › Sahara-desert-AfricaSahara | Location, History, Map, Countries, Animals, & ...

   www.britannica.com › place › Sahara-desert-Africa

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   4 天前 · Sand dunes in the Sahara, near Merzouga, Morocco. The Sahara is the world's largest desert; it extends across most of the northern part of Africa. Sahara, (from Arabic ṣaḥrāʾ, “desert”) largest desert in the world. Filling nearly all of northern Africa, it measures approximately 3,000 miles (4,800 km) from east to west and between 800 ...

3. www.britannica.com › technology › BITNETBITNET | Computer Networking & History of the Network | ...

   www.britannica.com › technology › BITNET

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   BITNET II helped foster efficient use of increased bandwidth capacities. In 1990 BITNET merged with CSNET, a computer science and engineering academic network, to form CREN (Corporation for Research and Educational Networking). The BITNET network reached its peak of popularity in 1991–92, connecting approximately 1,400 members in 49 countries.

4. www.britannica.com › topic › greenhouseGreenhouse | Definition, Types, & Uses | Britannica

   www.britannica.com › topic › greenhouse

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   2024年5月3日 · greenhouse, building designed for the protection of tender or out-of-season plants against excessive cold or heat. In the 17th century, greenhouses were ordinary brick or timber shelters with a normal proportion of window space and some means of heating. As glass became cheaper and as more sophisticated forms of heating became available, the ...

5. www.britannica.com › story › how-do-black-holes-really-workHow Do Black Holes Really Work? | Britannica

   www.britannica.com › story › how-do-black-holes-really-work

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   In short, black holes are massive pits of gravity that bend space-time because of their incredibly dense centers, or singularities.. When a star dies, it collapses inward rapidly. As it collapses, the star explodes into a supernova —a catastrophic expulsion of its outer material. The dying star continues to collapse until it becomes a ...

6. www.britannica.com › place › Jupiter-planetJupiter | Facts, Moons, Rings, Temperature, Size, & ...

   www.britannica.com › place › Jupiter-planet

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   1 天前 · Jupiter, the most massive planet of the solar system and the fifth in distance from the Sun. It is one of the brightest objects in the night sky; only the Moon, Venus, and sometimes Mars are more brilliant. Jupiter is designated by the symbol ♃. When ancient astronomers named the planet Jupiter for the Roman ruler of the gods and heavens ...

7. www.britannica.com › on-this-dayOn This Day - What Happened Today In History | Britannica

   www.britannica.com › on-this-day

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   On This Day In History: anniversaries, birthdays, major events, and time capsules. This day's facts in the arts, politics, and sciences. American chef and television personality Anthony Bourdain, who helped popularize “foodie” culture in the early 21st century through his books and television programs, died by suicide at the age of 61.