SETI researche

New SETI program from NASA

NASA has made development for new radio frequency receivers and computers for carrying out SETI survey. This research will evolve the help of a number of radio telescopes and giant antennas of the Deep Space Network from NASA. These devices are mainly aimed at tracking the remote spacecraft.

New SETI program from NASAThe major emphasis of this program will be its capacity to search for 10,000+ channels over a broader frequency range and making use of the computer software handling ample of complex signals. These signals are not apparent to human ear or eye. There will be programming done to find out the drift frequency signals and it is integral to get this information to seek out for the signals, which can shift in frequency due to Doppler Effect. There is dropping in pitch and siren raises when the signals come nearby, pass or move away from the desired point.

Microwave Observing Project (MOP) is the program, which consists of two surveys running simultaneously. The target search aims at listening for the signals from about 800 stars within 80 light years of Earth with different frequencies. Radio telescopes will seek at each stars for long periods of time and the targeted search becomes comprehensive than the prior attempts. Scientists test their new equipments with search for any signs from billions of kilometers away. NASA systems were successful in getting the signals and recognizing that these were not original sounds, but technological in nature.

The project for survey during special ceremonies at the Goldstone (California) antenna of Deep Space Network and Puerto Rico (Arecibo) radio telescope were initiated. The program is expected to last for a decade and cost about ten million dollars per year. It is a good investment to get answers to several fundamental questions about the planet and surrounding elements of the solar system.

SETI researches and results

There have been many SETI programs conducted till date, but there are no successful outputs of such issues. The major thing is that these searches have many limitations and depend on indifferent sources due to which there are no appropriate results revealed from them. The first research was made in the year 1960 by Frank Drake and it was made with 85 feet radio antenna in Virginia.

SETI researches and resultsDrake used huge radio dish for listening to stars, which were nearly 11 light years away from the surface of the Earth. There were no prominent signals detected after observing two stars for four months. This experiment inspired many astronomers from all over the world to seek out for intelligent signals from different stars.

Astronomers made comparison from intelligent signals to locate messages and the sound of stars. Various questions to answer in this concern are:

  • Finding the right origination of stars. Our galaxy contains 200 billion stars and every star is different in all the ways. Only a few of them have planetary appearance.
  • Channel and frequency are important in determining the right radio station. The messages are broad casted or narrow casted depends on the width and frequency of messages.
  • The radio messages on Earth are important in consideration. ET message can be missed while changing the direction of antenna. The service equipments require sensitivity to pick up the right choice.
  • It is always a fascinating point to know about coding and decoding techniques used by aliens for receiving/ sending the signal.

In the previous researches, astronomers had to make guesses for the characteristics of messages and sounds. However, the importance of possibilities is great for NASA searches and the possibilities are vital in all the attempted cases. NASA scientists and different astronomic project teams are continuously making progressions on ET programs.