搜尋結果
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics with the major subdisciplines of number theory, [1] algebra, [2] geometry, [1] and analysis, [3 ...
It was formed approximately 4.5 billion years ago, is a terrestrial planet and is the second smallest of the Solar System 's planets with a diameter of 6,779 km (4,212 mi). A Martian solar day ( sol) is 24.5 hours and a Martian solar year is 1.88 Earth years (687 Earth days). Mars has two small and irregular natural satellites: Phobos and Deimos.
Common Era. Common Era ( CE) and Before the Common Era ( BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar ), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the original Anno Domini (AD) and Before Christ (BC) notations used for the same calendar era.
99 Cents Only Stores LLC. 99 Cents Only Stores LLC (also branded as The 99 Store [1]) was an American price-point retailer chain based in Commerce, California, United States of America. It offers "a combination of closeout branded merchandise, general merchandise and fresh foods." The store initially offered all products for 99¢ or less. [2]
Geologic time scale. The geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannus (Ma) represents one million (10 6) years. The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating ...
Some non-binary identities are inclusive, because two or more genders are referenced, such as androgyne/androgynous, intergender, bigender, trigender, polygender, and pangender. [26] : 101 Some non-binary identities are exclusive, because no gender is referenced, such as agender, genderless, neutrois, and xenogender. [26] : 101–102.
Wikipedia is a free online encyclopedia that anyone can edit, and millions already have . Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge. Hosted by the Wikimedia Foundation, it consists of freely editable content, whose articles also have numerous links to guide readers towards more information.
