Answer:
Galileo Galilei
Explanation:
Galileo Galilei pioneered the experimental scientific method, and was the first to use a refracting telescope to make important astronomical discoveries. He is often referred to as the "father of modern astronomy" and the "father of modern physics". Albert Einstein called Galileo the "father of modern science."
Answer:
B. going outside the atmosphere.
Explanation:
Outer space, or simply space, is the expanse that exists beyond the Earth and between celestial bodies. ... Intergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space. Outer space does not begin at a definite altitude above the Earth's surface.
No, they don't believe there's an end to space. However, we can only see a certain volume of all that's out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn't had time to reach us yet, so we have no way of knowing such a galaxy exists.
Outer space is not completely empty—it is a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays.
Light energy is quantized
<span>It
means that even though light is a wave, it nevertheless exists in
discrete (distinct, countable and indivisible) units, i.e. particles</span>
Because of the invasion of Iraq and people did not agree with the Iraq War.
Answer: The purpose is to maintain community standards and place strict regulations on personal behaviors.
Explanation:
