The Sun Astronomy Our Solar System The Sun Questions How does the sun affect our tides? What made the sun? Where did the materials come from? What is the winter solstice? What will our sun become at the end of its life cycle? What is the circumference of the sun? What is the circumference of the Earth's orbit around the Sun? How do you measure the circumference of the earth using sun angles? Does the sun circle around the earth? What is the radius of sun and earth? If the radius of the Earth's orbit around the Sun is 150 million km, what is the speed of the Earth? What is the circumference of the orbit of earth around sun? Is it different for each year? How does circumference of the sun differ from other stars? What is the circumference of the sun at its equator? What is the circumference of the sun in centimeters? How do you find the circumference of the sun in feet? How would you calculate the circumference of the sun in inches? What is the circumference of the sun in meters? How is the circumference of the sun calculated? What is the circumference of the sun in feet? What is the circumference of the sun in millimeters? What is the equatorial circumference of the sun? How do you find a circumference if given altitude of sun and equinox? What is the sun's diameter? How close to the sun would a spacecraft have to go to reach the distance at which the flux of solar energy is 20 times as large as the solar energy flux at the earth? Where is the sun located on any diagram of earth's orbit? What is the Sun's absolute magnitude? What is a solar eclipse? How is this related to a lunar eclipse? What is the relationship between the Sun, Moon, and Earth? On the H-R diagram, what kind of star is the Sun? What is the Hertzsprung–Russell diagram? In the HR diagram, what is the approximate position of the Sun? Referring to the H-R Diagram, how can the sun be described in terms of actual (absolute) magnitude, temperature, color and spectral class? How long does it take the earth to complete one revolution around the sun? What are the differences between the sun and a red giant? What is the approximate surface temperature of the sun? Would the surface temperature. of stars classified as white dwarfs be generally higher or lower than that of stars classified as supergiants? What happens to the entropy of the sun and earth system when heat flows from sun to the earth? Will the heating energy increase or decrease during this process? Why? Why is our sun also a star? How would the sun have looked at the formation of the Galaxy? Is the sun a typical star? What is the position of the sun, earth, and the moon during a full moon and during quarter phase? How is energy stored in the sun? Why are stars called main sequence? Where are most stars located n the H-R diagram? What order do these go in: solar system, galaxy, universe? What is the relationship between the three? What is the composition of the sun? How big is the sun compared to earth? How big is the sun compared to other stars? How does the sun's mass compare to earth's mass? How does the sun make light? How hot is the sun? What is a person's velocity relative to the sun? How does the sun's diameter compare with the distance between the earth and the sun? How bright is a full moon in comparison to the Sun? How much smaller is Venus than the sun? How small is Earth compared to the largest known star? When comparing the size of the sun to the earth, why do we still have total darkness at night? How would you compare and contrast the Earths rotation with the Moons rotation? How big is Mercury compared to the sun? How do you calculate the earth's speed relative to the sun? What is the temperature between the earth and sun? Does the earth orbit the sun? Or does the sun orbit the earth? How do we know? Why are the sun and other stars so large? How does light from the sun travel to earth? How small in size is the earth when compared to the sun? How old is the earth compared to the sun? How would you describe the position of earth in relation to the sun during the northern hemisphere's summer solstice? How does the rate of motion of Earth compare to the sun's rate? How close is the moon to the sun? What are the planets relative surface gravity compared to the earth? How much hydrogen does the sun use in one day? How do scientists know how old the sun is? What does a stellar model tell us about the Sun? In what spectral class does the sun belong? What does the inside of the sun look like? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How does looking at the sun damage your eye? How do scientists take pictures of the sun? Why do sunspots appear dark in pictures of the Sun? How do scientists take pictures of the sun without damaging the equipment? What is bigger than the sun in our solar system? In our galaxy? How are pictures of the sun taken? For example, how do devices such as the Hubble Telescope take pictures of solar flares? What will the sun be in its final state? What is the cycle of sunspots? What is the sun made of? What is the temperature of a sunspot compared to the rest of the sun's surface? If the sun were growing bigger would that account for global warming? What effects do solar flares have on Earth? What is a solar granulation pattern? What is the diameter of sun? What is the diameter of the sun compared to earth? How do you calculate the diameter of the sun with the following information? How can you find the Sun's diameter based on a tree shadow? How do you find the diameter of the sun, given angular diameter and distance? How could you determine the diameter of the sun? What method do you use? The Sun has an angular diameter of about 0.5 and an average distance of about 150 million. What is the Sun's approximate physical diameter? How are these four stars ranked in decreasing order of atmospheric density: giants, supergiants, white dwarfs, main sequence? A person on the earth is looking up at the sun, which is 92,900,000 miles away. The angle spanned by the sun at the person's eye is approximately 0.5 degrees. What is an estimate for the diameter of the sun? How do you calculate the angular diameter of the sun? How much bigger is the sun's diameter than the earth's? What is the circumference of the sun? How does diameter of sun differ from the earth's? How can the diameter of the sun be determined? How can you determine the diameter of the sun? How can you find the diameter of the sun? How do astronomers measure the diameter of the sun? How do we know the diameter of the sun? How do you calculate the diameter of the sun? How do you find the diameter of the sun? How do you measure the diameter of the sun? How many earths can fit the diameter of the sun? How does the size of Venus compare to the sun? What is the cyclic change in the apparent angular diameter of the sun is a result of? How far away would Proxima Centauri be from the Sun? How much does the sun weigh? How do you read a H-R diagram? What events led to the birth of the sun? What form does heat energy from the sun reach us in? What is the cooler, darker area on the surface of the sun? Will the our sun die in a violent explosion? What is the life cycle of a medium sized star like the sun? How is sunlight made? What is the sun made of? Is the sun a planet? Is the sun a planet or a star? What is behind the sun? Are there any other planets behind the sun? What is the oldest planet in our solar system? How far is the sun from each of the planets? How is the sun different from planets? Why is the distance from a planet to the sun an average distance? Why is the sun bigger than the planets? During the past 4.6 billion years, what is the closest another star has gotten to the sun? What is the orbital speed of the sun in our galaxy? What is the orbital speed per second of our sun around the center of the galaxy? How many years does it take to complete single orbit? What is the radial distance of the sun's orbit around the center of the galaxy? How many orbits had the sun completed just after the formation of solar system? Does the Sun rotate? What is the life expectancy of the Sun? What is the sun's estimated lifespan? What stages of life will the sun go through? How old is our sun in comparison to other stars in our galaxy? How does the sun affect ocean currents, air currents, fronts, and masses? Does convection occur in the sun? How do convection currents transfer heat? At what stage of a star life cycle is our Sun? Is this a stable phase of the life cycle? How many miles wide is the sun? How many miles does the sun travel a day? How many miles does the sun travel in a year? What are three conditions needed for a total Solar Eclipse? Why are some solar eclipses annular, but others total? What are the similarities and differences of the Sun with other stars? What is the difference between a star and a sun? What process powers the sun? How long does it take for energy produced in the core of the Sun to reach the earth? How does the sun produce light? How does the sun produce heat? How are heat and light produced by the sun? Why does the Sun rise in the east and set in the west each day? Do all stars look like our sun? How is the energy generated in the sun like stars? If the sun and stars are supported by gas pressure, what supports a white dwarf? How do the sun and other stars make light? How are the Sun and the other stars structured? Is the sun a dwarf star? What is the purpose of the sun? Does the sun have more energy than other stars? Why can we not see stars during the day time? Why is there no life on the sun and other stars? Are there other stars as big as the sun in the galaxy? How can we see the sun and stars from earth? How do the sun and stars move? How do the sun and stars produce energy? How do the sun, stars and galaxies work together? What are sun and stars made of? Does the size of the sun change? How do scientist measure the size of the sun? How do scientists know the size of the sun? How do you calculate the angular size of the sun? How does the angular size of the sun and the moon effect an eclipse? How does the size of the sun compare to earth? How does the size of the sun compare to other stars? What is the size of the sun's diameter in km? What is the size of the sun's diameter in miles? How big around is the sun? What would happen if you brought a piece of the center of the sun the size of a basketball back to earth? What would happen to the living things around it, and if you dropped it, would it burn through the ground into the earth? Given the following information, what would the star's rotation speed be? How do you find the diameter of the sun, given angular diameter and distance? What holds the gasses in the sun together? Is the sun getting bigger? What are the Sun's right ascension and declination at the vernal equinox? What is the North Star and how big is it in relation to our Sun? What is the group of constellations the Sun appears to travel through in the sky? What is it reacting within the sun to make heat? What would the sun's surface be like if it was cold? How fast is the sun expanding? What is the right ascension and declination of the star Beta Canum Venaticorum? How do the fusion reactions in the sun compare to the fusion occurring in larger stars and supernovas? Sans the lone satellite Luna, our planet Earth had cleared debris and other close by space orbiters. How do you find the volume of this cleared neighborhood around the Earth's orbit? How long did it take for the sun to form? Question #5caf7 Question #b185f How Much Mass Does the Sun Consume? Is our sun rotating around a bigger star? Does any Star (Including Sun) have Iron? Do planets actually revolve around the sun? Maybe they follow the sun around a more central Star in middle of Galaxy? Based on the heliocentric model of orbiting, how could the planets revolve around the sun this way, if this it were true? Which layer of the sun is visible during a total solar eclipse? How do scientists study the Sun? Sometimes solar images appear smooth and featureless. What does this tell us about the Sun? How does the sun ruin a camera lens? Is it true the light we see from the sun and stars is millions of years old? If the Sun is growing bigger wouldn't that be a cause for global warming? How many moons does the sun have? What is the revolution period of the sun? In visible light sun spots show up darker than the solar disc because they are cooler. In X-ray UV images why do they show up as brighter? In these images does brighter mean cooler and darker mean hotter relative to the solar disc? What colors are in the sun's rays? What layers of the Sun can be seen with some types of telescope? What is the comparative the mass of the sun with the masses of most other stars in the universe? How does most energy from the sun reach Earth? Energy is produced within a star's core by what process? How does the opposite side of sun looks like? Our Solar System View all chapters The Sun The Planets Our Moon Components of the Solar System The Earth Next