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Astronomy

Journey through the cosmos and study celestial objects and phenomena beyond Earth's atmosphere. Astronomy seeks to understand the origins, evolution, and ultimate fate of the universe.

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Questions

Q: Why do sunspots appear dark on the surface of the Sun

Q: Why do sunspots appear dark

Q: Why do sunspots appear darker than their surroundings

Q: Why do the Balmer lines of hydrogen exhibit a phenomenon where they get closer together as you move towards shorter wavelengths

Q: Why do the moon, stars, and sun change position in the sky

Q: Why do the northern lights only occur in the north

Q: Why do the planets have an approximate spherical shape due to their gravitational forces

Q: Why do the positions of objects in the sky change over time, and what factors contribute to this phenomenon

Q: Why do the stars appear to rise and set each day

Q: Why do the stars move at night

Q: Why do the stars twinkle in the night sky

Q: Why do theorists place an upper limit of 500 solar masses on Population III stars

Q: Why do things burn up in the atmosphere

Q: Why do we experience gravity on Earth and in the universe

Q: Why do we float in space

Q: Why do we map the stars and what insights can it provide about the universe

Q: Why do we need to find another planet to live on

Q: Why do we never see the moon next to Polaris in the night sky

Q: Why do we not expect mercury to have an atmosphere at all

Q: Why do we not find asteroids with thick atmospheres

Q: Why do we say we are looking back in time when we are observing the stars

Q: Why do we see a half moon in the night sky

Q: Why do we see different phases of the moon within a month

Q: Why do you think Saturn and Jupiter have more moons than the other planets in our solar system

Q: Why do you think the solar intensity follows a specific pattern

Q: Why do you think the solar intensity follows this pattern

Q: Why does Earth have a greater gravitational pull than the Moon

Q: Why does Earth have gravity and how does it affect the objects on its surface

Q: Why does Earth receive more energy from the sun than from all the other stars in the universe combined

Q: Why does Jupiter have a big red spot

Q: Why does Jupiter have a red spot

Q: Why does Jupiter have bands

Q: Why does Jupiter have such a large number of moons compared to other planets in our solar system

Q: Why does Mercury have more craters than Venus

Q: Why does Neptune look blue in color

Q: Why does Uranus appear blue-green in color

Q: Why does Venus lack a planetary magnetic field

Q: Why does a red giant appear reddish in color

Q: Why does a solar eclipse move from west to east

Q: Why does every galaxy have a black hole

Q: Why does gravity happen and what are its effects on the universe

Q: Why does light, which is massless, still experience the effects of gravity

Q: Why does looking at an eclipse damage your eyes

Q: Why does looking at an eclipse hurt your eyes

Q: Why does looking directly at a solar eclipse damage your eyes

Q: Why does looking directly at a solar eclipse hurt your eyes

Q: Why does looking directly at an eclipse hurt your eyes

Q: Why does the Aurora Borealis happen and what causes this stunning natural phenomenon in the sky

Q: Why does the Earth rotate on its axis

Q: Why does the Earth stay in constant rotation, and what are the effects of this continuous movement

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