this is because they are trying to see if there is life on differant planets
Scientists communicate with spacecraft in space using radio waves. Ground stations on Earth send commands to the spacecraft and receive data from it through radio signals. These signals travel through the vacuum of space to maintain communication with spacecraft regardless of their location in the solar system.
Messages from Apollo 11 were sent using radio signals between the spacecraft and Earth-based tracking stations. The tracking stations picked up the signals and relayed them to mission control in Houston. These messages included voice communications, telemetry data, and video transmissions.
Although we have no definite knowledge of any extraterrestrials, and we certainly do not know that any extraterrestrials have received any messages from us, we have sent a number of things into space, notably radio and TV broadcasts and various robotic space probes, which would convey information to extraterrestrials if the hypothetical extraterrestrials received them.
Space probes typically transmit images back to Earth using radio waves. The images are converted into digital data and sent as radio signals to communication antennas on Earth. These antennas then receive the signals and decode them to reconstruct the images for scientists to study.
Various types of spacecraft and satellites are sent to outer space, including probes, telescopes, and rovers. These objects are designed to study celestial bodies, conduct scientific research, and explore outer space. Additionally, signals and messages have been sent from Earth as a form of communication with potential extraterrestrial life.
Scientists communicate with spacecraft in space using radio waves. Ground stations on Earth send commands to the spacecraft and receive data from it through radio signals. These signals travel through the vacuum of space to maintain communication with spacecraft regardless of their location in the solar system.
It is so that scientists, could investigate the effects of space exploration.
by radio
they also sent Monkeys. They did this to see what would happen if they sent them to the moon and Other places.
to see what is listening on the other side i think.but it is pointless to do,sinds stars are light years away from us and to get an answer back Will also take years to get back at us.also i don't think that it Good for us tell where were at in the universe don't think aliens will come in peace when they visit us
Messages from Apollo 11 were sent using radio signals between the spacecraft and Earth-based tracking stations. The tracking stations picked up the signals and relayed them to mission control in Houston. These messages included voice communications, telemetry data, and video transmissions.
they were calm and easy to train
before the radio was invented, people and countries sent messages/letters carried by messengers to the destination wherever it may be located.
Radio signals are sent from Earth, to operate the telescopes.
Yes
Hi thereOn October 4th 1957 the Soviet satellite "Sputnic", the worlds first artificial satellite, blasted into space and transmitted information via radio signals to Soviet scientists for three weeks.Hope this helped you.
Although we have no definite knowledge of any extraterrestrials, and we certainly do not know that any extraterrestrials have received any messages from us, we have sent a number of things into space, notably radio and TV broadcasts and various robotic space probes, which would convey information to extraterrestrials if the hypothetical extraterrestrials received them.