What do you mean by light year? -Geography

What do you mean by light year? -Geography
by

1 Answer

Answer :

A light year is equal to the number of kilometers travelled by light per second. It is a measure of distance and not of time. Light travels at a speed of 300,000 km/second. Therefore, the distances the light will travel in one year is taken to be one light year.
by

Related questions

How many new integrated steel plants were set up in India during second five year plan 1956-61? -Geography

Description : How many new integrated steel plants were set up in India during second five year plan 1956-61? -Geography

Last Answer : Three new integrated steel plants were set up in second five year plant. (i) Rourkela (ii) Bhilai and Durgapur Steel plants.

In which five year plan ‘Drought Prone Area’ Programme was initiated in India? -Geography

Description : In which five year plan ‘Drought Prone Area’ Programme was initiated in India? -Geography

Last Answer : Drought Prone Area Programme: (I) This programme was initiated during the Fourth Five Year Plan: (II) Objectives (i) Its objectives were to provide employment to the people in drought-prone ... (1972) introduced the criterion of 30 per cent irrigated area and demarcated the drought-prone areas.

What was the main focus of the first Five Year Plan? -Geography

Description : What was the main focus of the first Five Year Plan? -Geography

Last Answer : Continued efforts have been made to develop agriculture in the country since independence. One of the most important processes through which this was done was the Five-Year Plans carried ... abolition of the zamindari system, ceiling on land holdings and consolidation of fragmented land holdings.

Border road organisation (BRO) was established in which year? -Geography

Description : Border road organisation (BRO) was established in which year? -Geography

Last Answer : Border Roads Organisation is an undertaking of Government of India which constructs and maintains the roads in the bordering areas of the country. It was established in 1960 for the development of roads in terms of strategic importance.

Railway in India has been in existence from which year? -Geography

Description : Railway in India has been in existence from which year? -Geography

Last Answer : The first train ran from Mumbai to Thane in 1853 covering a distance of 34 km. Indian railway runs on multiple Gauge operations which include 1) Broad gauge 2) Narrow gauge and 3) Metre gauge.

Air transport was nationalised in which year? -Geography

Description : Air transport was nationalised in which year? -Geography

Last Answer : Air transport is one the fastest and comfortable mode of transport today. It was difficult to reach the north-eastern parts of the country due to dense forests and big rivers; air travel helped to reach these places easier. Air transport was nationalised me the year 1953.

Why does the coldest time of the year align with the darkest time of the year? -Geography

Description : Why does the coldest time of the year align with the darkest time of the year? -Geography

Last Answer : Each hemisphere cools down during the part of the year it's tilted away from the sun. The winter solstice (December in the north, June in the south) arrives at the time when that tilt is at its most extreme angle.

What do you mean by the following terms? 1. Segregation 2. Composting.3. Dumping. -Geography

Description : What do you mean by the following terms? 1. Segregation 2. Composting.3. Dumping. -Geography

Last Answer : 1. Segregation refers to the separation of waste into different categories of waste. Segregation depends upon the waste disposal technique. The most popular segregation is biodegradable and non-biodegradable. 2 ... humus-like substance. 3. Dumping is an activity of depositing waste in an area.

The Peninsular plateau is a tableland composed of the old crystalline, igneous and metamorphic rocks. What do CRYSTALLINE ROCKES mean here? -Geography

Description : The Peninsular plateau is a tableland composed of the old crystalline, igneous and metamorphic rocks. What do CRYSTALLINE ROCKES mean here? -Geography

Last Answer : Crystalline rock, any rock composed entirely of crystallized minerals without glassy matter. Metamorphic rocks are almost always crystalline; the term crystalline schists has been applied to indicate all rocks ... origin, and thus the term crystalline rocks may be taken to mean an igneous origin.

What do you mean by Medical Tourism? -Geography

Description : What do you mean by Medical Tourism? -Geography

Last Answer : When medical treatment is combined with international tourism activity, it lends itself to what is commonly known as medical tourism. (i) India has emerged as the leading country ... Medical tourism brings abundant benefits to developing countries like India, Thailand, Singapore and Malaysia.

What do you mean by tertiary industry -Geography

Description : What do you mean by tertiary industry -Geography

Last Answer : The tertiary industry is the segment of the economy that provides services to its consumers, including a wide range of businesses such as financial institutions, schools and restaurants. As an economy becomes more developed, it shifts its focus from primary to secondary and tertiary industries.

What do you mean by cottage industry? -Geography

Description : What do you mean by cottage industry? -Geography

Last Answer : Cottage industry is a small-scale industry, where the products are created at homes rather than a factory. Here the labour force is minimum. Example: Weaving, Pottery etc.

What do you mean by White Revolution? -Geography

Description : What do you mean by White Revolution? -Geography

Last Answer : The green revolution was introduced to increase agricultural productivity in India when the country faced the food shortage. White revolution is one of the strategies that were introduced to increase ... the year 1970. The white revolution is the initiative to create the nationwide milk grid.

What do you mean by slash and burn or shifting agriculture? -Geography

Description : What do you mean by slash and burn or shifting agriculture? -Geography

Last Answer : The shifting agriculture is the primitive subsistence farming which has been practised in olden times. This is also known as slash and burn agriculture and this type of agriculture has different names in ... fertility of the land the farmer will again start to cultivate in the same patch of land.

If a country is having large proportion of young population, it would mean (a) High Birth rate and the population is youthful. -Geography

Description : If a country is having large proportion of young population, it would mean (a) High Birth rate and the population is youthful. -Geography

Last Answer : (a) High Birth rate and the population is youthful

What do you mean by terrestrial planets? -Geography

Description : What do you mean by terrestrial planets? -Geography

Last Answer : The terrestrial planets were formed in the close vicinity of the parent star where it was too warm for gases to condense to solid particles. Mercury, Venus, Earth and Mars are called terrestrial planets.

What do you mean by degassing? -Geography

Description : What do you mean by degassing? -Geography

Last Answer : The early atmosphere largely contained water vapour, nitrogen, carbon dioxide, methane, ammonia and very little of free oxygen. The process through which the gases were outpoured from the interior is called degassing.

What do you mean by dwarf planets? -Geography

Description : What do you mean by dwarf planets? -Geography

Last Answer : According to International Astronomical. Union (LAU) on August 24,2006, a planet is a celestial body that orbits around the sun has sufficient mass so that it assumes a hydrostatic equilibrium (nearly ... is now considered a dwarf planet. Ceres, Eris, Makemake, Haumea are some other dwarf planets.

What do you mean by the big splat?What do you mean by the big splat? -Geography

Description : What do you mean by the big splat?What do you mean by the big splat? -Geography

Last Answer : The origin of the moon as a satellite of the earth is the result of big collision which is called “the big splat”.

What do you mean by ‘Dualism in Geography? -Geography

Description : What do you mean by ‘Dualism in Geography? -Geography

Last Answer : The teaching and learning of Geography has been a matter of debate amongst geographers. Some examples are: Whether geographical phenomena be theoretically interpreted or through historic-institutional ... ; Whether geography as a discipline should be a law making/theorising or descriptive?

Did the advent of mapping satellites have any tremendous impacts on the depiction of geography?

Description : Did the advent of mapping satellites have any tremendous impacts on the depiction of geography?

Last Answer : Not geography related, but check this out: http://www.msnbc.msn.com/id/43164447/ns/technology_and_science-science/

What are some good resources for studying the role of climate and geography in the development of civilizations?

Description : What are some good resources for studying the role of climate and geography in the development of civilizations?

Last Answer : Any AP World History text because that is one of the themes discussed. I like Traditions and Encounters” by Bentley & Ziegler. You might want to buy it used or borrow it because new it’s about $250. But here’s a hint: waterways and trade routes.

Was geography an easy subject for you?

Description : Was geography an easy subject for you?

Last Answer : Not so great.

How is your geography knowledge? Were you taught it in school?

Description : How is your geography knowledge? Were you taught it in school?

Last Answer : i know i’m here and you’re there. i do alright.

Name the different types of environmental pollution. -Geography

Description : Name the different types of environmental pollution. -Geography

Last Answer : The different types of environmental pollution are:- 1. Air pollution 2. Water pollution 3. Soil pollution 4. Noise pollution.

What are the measures to control water pollution? -Geography

Description : What are the measures to control water pollution? -Geography

Last Answer : 1. Industrial effluents must be treated. 2. Drinking water sources must be kept clean. 3. Sewage treatment plants, disposal of waste on the water bodies must be controlled.

What is Bio-diversity? -Geography

Description : What is Bio-diversity? -Geography

Last Answer : The variety of flora (plants) and fauna (animals) in a region is known as biodiversity. Define The Following: 1. Biosphere : Biosphere is the part of the earth where life exists. 2 ... 6. Acid rain : Acid rain contains high amounts of acids particularly sulphuric acid and carbon monoxide.

The only living planet in our solar system is ____ -Geography

Description : The only living planet in our solar system is ____ -Geography

Last Answer : Correct Answer is: (a) Earth

What is environment? -Geography

Description : What is environment? -Geography

Last Answer : Environment is the surroundings where and organism, a community or an object exists.

What is environmental pollution? -Geography

Description : What is environmental pollution? -Geography

Last Answer : Environmental pollution is the unfavorable alteration of . our surrounding, wholly or partly by human action through direct and indirect effects.

What are the important air pollutants? -Geography

Description : What are the important air pollutants? -Geography

Last Answer : The important air pollutants are carbon dioxide, carbon monoxide, sulphur dioxide, nitrogen oxide, chloroflaoro carbons, hydro carbons etc.

What are the measures to control air pollution? -Geography

Description : What are the measures to control air pollution? -Geography

Last Answer : 1. Control of gaseous pollutants. 2. Contrpl of emission from automobiles. 3. Planting more trees. 4. Use of non-conventional energy sources. 5. Awareness programme, legal control literacy and education.

What tis water pollution? -Geography

Description : What tis water pollution? -Geography

Last Answer : Water pollution is alteration in physical, chemical and biological characteristics of water which may have harmful effects on human and aquatic life.

What are the important sources of water pollution? -Geography

Description : What are the important sources of water pollution? -Geography

Last Answer : The important sources of water pollution are : Natural: Soil erosion, landslides, volcanic eruption, decay and decomposition of plants and animals etc.. Man made: Industrial effluents, urban waste, domestic waste, agricultural waste, thermal waste, oil spill, nuclear waste etc.

Name the different kinds of water pollution. -Geography

Description : Name the different kinds of water pollution. -Geography

Last Answer : Water pollution is of different types. 1. Sea or ocean water pollution 2. Ground water pollution 3. River water pollution 4. Lake pollution. Etc.

What is soil pollution? -Geography

Description : What is soil pollution? -Geography

Last Answer : Soil pollution is decrease in the quality of soils either due to human sources or natural sources by both.

What are the results of soil pollution? -Geography

Description : What are the results of soil pollution? -Geography

Last Answer : It results in the increase of soil erosion, lack of humus, decrease in soil microorganisms, plant nutrients etc.

What are the sources of soil pollution? -Geography

Description : What are the sources of soil pollution? -Geography

Last Answer : Sources of soil pollution, industrial and mining waste. Domestic and urban waste, agricultural waste, nuclear waste etc.

What are the effects of soil pollutants? -Geography

Description : What are the effects of soil pollutants? -Geography

Last Answer : The effects of soil pollutants are it decreases the fertility of the soil, converts the region into wasteland, destroys the micro organisms in the soil etc.

What is noise pollution? -Geography

Description : What is noise pollution? -Geography

Last Answer : Noise pollution is any undesirable sound dumped into the atmosphere leading to health hazards.

What are the important sources of noise pollution? -Geography

Description : What are the important sources of noise pollution? -Geography

Last Answer : The important sources of noise pollution are : Natural: Thunder, cyclones, lightning, heavy rainfall, hailstorms, water falls, ocean waves. Man-made: Industrial noise, automobiles, air crafts, domestic noise, mining etc.

What are the effects of noise pollution? -Geography

Description : What are the effects of noise pollution? -Geography

Last Answer : The noise pollution causes temporary or permanent hearing problem, headaches, restlessness,, cardio vascular diseases, physical disorder, behavioural changes, lack of concentration, etc.

What are the various methods of soil conservation? -Geography

Description : What are the various methods of soil conservation? -Geography

Last Answer : Many different Methods of soil conservation: 1. Contour Plowing - Originating in ancient Phoenicia, Contour Plowing involves plowing grooves into the desired farmland, then planting the crop ... of nitrogen fertilizer and fungicides can increase yields and protect crops from drought and flooding.

What are the measures to control noise pollution? -Geography

Description : What are the measures to control noise pollution? -Geography

Last Answer : 1. Industries must be located away from the residential areas. 2. Construction of sound proof walls in the factories. 3. Restricting unnecessary use of sirens, horns and loud speakers. 4. ... 5. Protective instruments the workers in the industries. 6. Noise producing vehicles must be checked.

Why is North America called ‘Land of Prairies’? -Geography

Description : Why is North America called ‘Land of Prairies’? -Geography

Last Answer : The central plains of North America are also known as the great plains or the prairies. The plain consists of vast expanse, almost 3/5 of the total area of North America of flat to gently rolling ... tributaries. This is one of the most fertile plains of the world and is a good farming region.

Make a list of important countries of North America. -Geography

Description : Make a list of important countries of North America. -Geography

Last Answer : There are 24 countries in North America. Canada, United States of America and Mexico are three large countries by their size.

Mention the location and extent of North America -Geography

Description : Mention the location and extent of North America -Geography

Last Answer : North America is located entirely to the North of the equator. It lies within 7°N to 84°N latitudes. The Tropic of Cancer passes through Mexico and the Arctic circle through the northern part of Canada ... by the Isthmus of Panama. It is separated from the continent of Asia by the Berring Strait.

How are the Grand Canyon of North America formed? -Geography

Description : How are the Grand Canyon of North America formed? -Geography

Last Answer : The Colorado river drains into Colorado Plateau and forms the Grand Canyon.

Name the important plants of animals of North America. -Geography

Description : Name the important plants of animals of North America. -Geography

Last Answer : North America has a wide variety of natural vegetation and wildlife. 1. The Tundra Mosses and Lichens are found here. Some stunted flowering plants grow in summer. Animals like Arctic fox, ... Animals like the desert fox, lizards, rattle snakes and various kinds of insects are found here.

Make a list of important rivers of North America. -Geography

Description : Make a list of important rivers of North America. -Geography

Last Answer : The Mississippi and Missouri are the great rivers of North America. The other rivers are Ohio, Tennessee Arkansas, Rio Grande, Yukon, Red, Colorado, Columbia, Peace, Snake and St. Lawrence etc.,