The debate on the origin and nature of UCDs, and the recently discovered ultra-faint dwarf spheroidal (dSph) galaxies which contain very few stars, has motivated us to as the question 'What is a galaxy?' Our aim here is to promote further discussion of how to define a galaxy and, in ...
30K Constellations are composed of groups of stars that seem to be forming a figure or pattern. Explore the definition and name origins of constellations, and learn about ancient and modern constellations, as well as asterism. Related to this QuestionWhat...
This means astronomers now reserve the word nebula for genuine clouds — of gas and dust — located inside our own galaxy. Related: What is the Eagle Nebula? Where are nebula located? Nebula are often found in the space between stars, known as the interstellar medium. On average, this ...
The term was created by amarketing firmbecause the wireless industry was looking for a user-friendly name to refer to some not so user-friendly technology known asIEEE 802.11and the name stuck. Wi-Fi, often referred to as WiFi, wifi, wi-fi or wi fi, is often thought to be short for ...
Privacy settings.These settings provide the ability to turn offlocation trackingon specific applications and opt out of ads. A privacy indicator alerts users when an app is trying to access their microphone, camera or location. Fast charging and long-lastingbattery life.Galaxy batteries last up to...
Definition The maximum amount of data transmitted over an internet connection in a given amount of time. Bandwidth is often mistaken forinternet speedwhen it's actually the volume of information that can be sent over a connection in a measured amount of time – calculated in megabits per second...
What is a schema? In computer programming, a schema (pronounced SKEE-mah) is the organization or structure for adatabase, while in artificial intelligence (AI), a schema is a formal expression of an inference rule. The wordschemaoriginates from the Greek word for "form or figure." The co...
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Planets are objects whose definition came under scrutiny in 2006, when astronomers were debatingwhether Pluto could be considered a planet or not. At the time, the International Astronomical Union (the governing body on Earth for these decisions) ruled that a planet is a celestial body that orbit...
What is a Planet ? A Planet is a celestial body that orbits round a star such as the Sun. There had been no consensus on what constituted a planet for a long time until August 2006, when the International Astronomical Union came up with a definition of a planet. An object must fulfil...