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Daily Digest - August 22, 2019
Daily digest is your daily dose of knowledge. There are 365 topics and each day will cover a different topic. It gives valuable information on topics like physics, knowledge, emotions, entertainment & spirituality. Click on archive and view all the topics of the year.
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Search and rescue satellite :

We saw that the satellite helps to transmit the radio and television signal but can it save the lives? Yes, of course. Search and rescue satellite helps to save the lives.

  • This helps to detect and locate the emergency.
  • The first rescue satellite was COSMOS 1383 to detect the airplane crash.
  • The idea comes from the weather satellite that helps to find out something floating in the water, this collects the local weather information and transmits that to the satellite.
  • Then with the Doppler effect it will detect, where the thing is floating.
  • The newest search and rescue system is the Cospas - Sarsat system.
  • The Cospas system was developed by the Soviet Union and United States, Canada and France developed Sarsat in a joint effort.
Space exploration satellite:
  • This satellite is not really a satellite as (satellite revolves around the other object) it travels deep into the solar system.
  • This satellite gives the detailed picture and the data about the planets in the solar system.
  • The space exploration satellite discovered Jupiter’s ring.
  • The space exploration satellite should last for a long as it does not revolve around the earth but goes deep into the spaceRemote sensing satellite:

Reconnaissance satellite:

We saw the satellites are used for the communication, predicting the weather etc but this satellite is used to keep the eye on the spy of the other countries. This can even detect the missiles launched or the nuclear explosion in the space. It can pick up the radio signals passing over the country. There are 4 types of the reconnaissance satellite:

  • Optical imaging satellite, which helps to detect the missiles launch.
  • Radar imaging satellite, which tells about earth using the radar technology through the clouds.
  • Signal intelligence satellite, which detects the radio signal, transmitted in any part of the country.
  • Relay satellite, which helps the military satellite communicate all around the earth.
Read everyday:
  • Today, I will not be angry.
  • Today, I will make other’s happy.
  • Today, I will do work which connects me to nature.
  • Today, I will love, appreciate and obey my parents, grandparents, brother, sister.
  • Today, I will remove any kind of fear.
  • Today, I will complete my work.
  • Today, I will appreciate and Thank God.

Whenever you go to any shop you read a board written “Aaj Nakad Kal Udhar.’ Same way, you show implement the above board in your life. Make a chart of the above board and stick it on your soft board and read everyday.


FACTS :-Antibiotic is a kind of medicine which destroys the bacteria. Antibiotics began around 1928. Sir Alexander Fleming Discovered Penicillium. Fleming named the substance Penicillin. There are 80 known antibiotics. Most of Antibiotics are made from bacteria and fungi.


Good thought:- Creativity is allowing oneself to make mistakes. Art is knowing which one to keep.

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