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How do scientists collect data about our universe?

Answer 1

Levi Anderson

By using appropriate measuring instruments and following the ambient radiation and emitted radiation from stars

Several widely used tools for studying the universe are as follows:

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Answer 2

Hunter Arthur

Scientists collect data about our universe through various methods, including telescopes, space probes, satellites, and ground-based instruments. They analyze electromagnetic radiation, such as visible light, radio waves, and X-rays, to study celestial objects and phenomena. Additionally, experiments and observations in different fields, like astronomy, astrophysics, and cosmology, contribute to expanding our understanding of the universe.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.