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telescope
teleschope and a engredeance
they use telescopes gosh you people are stupid
Studying the earth helps scientists to understand other planets since the earth is part of the solar system. Scientists use the features of the earth to compare them with what other planets hold.
A spectrometer is used to determine the composition of stars, and how fast they are going relative to Earth.
The instrument scientists use to observe the planets is a high powered telescope.
telescope
They used a telescope
they use satellites.
telescope
teleschope and a engredeance
Based on things, they use everything. Scientists observe then say what they think.
Galileo
Some scientists use a instrument called a tele scope i think
it depends on the size of the To_observe_a_small_living_organism_a_scientist_might_use_a. If it is microscopic, then scientists might have to observe it using it using a microscope. If it can actually be seen, then scientists mught actually take a sample of it back to the labratory to observe physically
Tools enable scientists to make more accurate observations, and to observe things that they otherwise could not observe. For example, microscopes allow scientists to observe bacteria, which otherwise are too small to see.
well you can use a microscope