I don't know of any planet with exactly 21 known moons. The best answer is probably "Uranus" with 27 moons (natural satellites).
Information gathered through the five senses
1. GSLV satellite 2. PSLV satellite
Artificial satellites can be seen with the naked eye when they reflect sunlight. The best time to see them is typically during dusk or dawn when the sun is below the horizon but the satellite is still illuminated. Satellites appear as moving points of light against the night sky.
The transit method of planet detection works best for finding exoplanets that orbit in front of their host stars as seen from Earth. This method detects the slight dimming of a star's light as a planet passes in front of it, allowing researchers to infer properties such as the planet's size and orbital period.
ground truthing
Ground truthing involves physically confirming the accuracy of satellite data by collecting data on the ground. It is important because it provides direct validation and calibration of satellite measurements by comparing them with real-world observations. This method helps to improve the reliability and quality of satellite data for various applications.
Scientific data must be gathered precisely using the appropriate method and tools necessary for each individual question to be answered
Scientific data must be gathered precisely using the appropriate method and tools necessary for each individual question to be answered.
NO. Silver is the best conductor of electricity. (That is why it is used in satellites).
I don't know of any planet with exactly 21 known moons. The best answer is probably "Uranus" with 27 moons (natural satellites).
best method in safegaurding qotes
Printer would be best method of output for a resume Printer would be best method of output for a resume
Information gathered through the five senses
The best method of focus is free your mind, body and environment of distractions
1. GSLV satellite 2. PSLV satellite
best to get intouch with military or nasa to find out