Artificial satellites, Science

Assignment Help:

Artificial Satellites

Tireless  Servants  in the Sky The space crafts that move in  an orbit around the earth are  called artificial satellites. Most satellites go around the earth once in about 90 minutes at a height of a few hundred kilometres. But it is possible to launch satellites with a proper speed at greater heights (around 36,000  kms). They would then move around the earth once in 24 hours and As our own INSAT series of satelites are geostationary ,satelites  Every night towards thc end of Tv  news on my channel.  we are shown plctures of  Clouds over UK. These pictures are laken by INSAT to earth, Apart from monltofing  the weather,  INSAT satellites are used to telephone calls. Television Progmmmes He also via  these satellites. satellites carry equipment 10 survey the earth's natural resources and monitor weather. India's  satellite Programme has also provided useful information on agricultural  land and prospecting for ores and minerals. Recently, the satellite IRS 2D in the IRS (Indian Remote Sensing Satellite) series has been launched to smrey India's natural resources  by remote sensing methods. The effect of  living in space on plants and animals is also studied in satellites.

At present, Russia has a space station called Mir going round the earth as  a satellite. Crew members and supplies are regularly sent to misstation where three or:more personswork at time, for periods as long as a year.

Satellites can pinpoint sources of pollution, spot forest fires and locate areas of disease in crops and forests. Weather conditions can be monitored by  satellites enabling us to predict storms and prevent damage. Satellites also help in locating and guiding ships. But-the maximum use of satellites  is made for communications. Space Probes-Journeying  to Neighbouring world; If a spacecraft is di.rected to move out in space, away from the earth, it is called a space probe. Several unmanned space probes have either passed by or landed on the planets Mercury, Venus, Mars, Jupiter, Saturn; Uranus and Neptune. They have sent back valuable data and photographs of all these planets. So we have come to know what these planets  look  like from near, what they are made up of, and what physical conditions prevail near them.  


Related Discussions:- Artificial satellites

Explain the urea clearance test, Explain the Urea clearance test A test...

Explain the Urea clearance test A test of renal function based upon urea clearance. Urea is a waste product that is created by protein metabolism and excreted in the urine. The

Atoms and molecules , hi my name chase I was hoping you can awnser a few qu...

hi my name chase I was hoping you can awnser a few question about atoms and molecules my first question is is it hard working with atoms and molecules my second question is with a

Explain the types of white blood cells, Explain the Types of White Blood Ce...

Explain the Types of White Blood Cells White blood cells are actually a whole collection of different cells that work together to destroy bacteria and viruses. You may recall s

Write a brief note on nccam with its purpose, Question 1 Enlist the seven ...

Question 1 Enlist the seven natural principles of the body according to Unani system Question 2 List and explain the types of treatments (chikitsas) of Ayurveda. Classify the

#title, lable the direction of increasing frequency and the direction of in...

lable the direction of increasing frequency and the direction of increasing wavelength on the em.

Disposal of waste materials, DISPOSAL OF WASTE MATERIALS : In a school or ...

DISPOSAL OF WASTE MATERIALS : In a school or college science laboratory, chemical wastes, broken glassware, unserviceable non consumable items, obsolete instruments, used biologic

Give the introduction to lipids metabolism, Give the introduction to Lipids...

Give the introduction to Lipids metabolism ? Lipids are a heterogeneous group of organic compounds. The major dietary lipids for humans are animal and plant triacylglycerols,

What is database lock, Question 1 Database design plays important role in ...

Question 1 Database design plays important role in success of CDM. Justify Question 2 What is Clinical data coding? Why coding is required in CDM? Question 3 List

How you can observe the buoyancy of water, You can observe the buoyancy of ...

You can observe the buoyancy of water Make an equivalent arm balance. Secure two soda water-bottles and suspend them with loops of string from either side of the arm. Unless th

Cycling of materials in ecosystem, Cycling of materials in ecosystem: L...

Cycling of materials in ecosystem: Living organisms require four nutrients in relatively large amounts, these are carbon. oxygen, nitrogen and hydrogen. They also require phosp

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd