Answers created by Waleed A.
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How far is the sun from earth in light years?
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Which is closer to earth: the sun, pluto, the star nearest our solar system or the galaxy nearest to the Milky Way?
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When looking at a spectrum of light from a star, how can we tell that the light has undergone red shift (or blue shift)?
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How does parallax change with distance?
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How far away are the planets from the sun?
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How far is the moon in light years from earth?
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Why are the planets closest to the sun rocky?
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What is the correct order from shortest to longest for these units of measure?Angstrom, astronomical unit, centimeter, kilometer, lightyear, micron, nanometer, parsec?
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How does redshift differ from blueshift?
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How do scientists know that there is redshift from a star going away and EM waves have changed lengths?
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How do you calculate a planet's perihelion distance? For example, a planet has a perihelion distance of 1 A.U. and a semi major axis of 234.89 A.U. What is its aphelion distance?
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How many astronomical units would a parsec contain?
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How many atoms are in the average cubic square of interstellar space?
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How is the distance between the sun and earth calculated?
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How many kilometers is the earth from the sun?
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What stage does a star remain in for the longest?
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What planets have no moons?
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Are quasars galaxies or fast moving stars?
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In the life cycle of a star, how does a red giant become a planetary nebula?
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How do red giants die?
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Why do some dying star form into a white dwarf, while others form into neutron stars or black holes?
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Does the solar system move, and if so, how?
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If the universe is always expanding, what is causing it to do so?
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How did the planets in the solar system form?
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Does our solar system have a name?
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Question #769ea
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What are the major layers of the atmosphere?
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Why is Pluto now classified as a dwarf planet?
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How did our solar system forms?
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What are the conditions under which an eclipse (both solar and lunar) will occur?
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Question #77368
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In what ways are the inner planets different from the outer planets?
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Where is the nearest detectable dark matter?
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What is the James Webb Space Telescope and what advances will this telescope allow for?
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What is the heliopause?
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How did the outer planets form?
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How do the inner planets compare in size?
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What is a reflector telescope?
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What inner planets have almost no atmosphere?
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What causes a solar eclipse?
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Why is solar energy a renewable resource?
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What causes a lunar eclipse?
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What are x-ray telescopes useful for?
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How did Isaac Newton revolutionize the use of telescopes?
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What are the most abundant gases in our atmosphere? Please list in order. Thanks!
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What stars make up the Orion constellation? How far are they from Earth?
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What is x if #3x+5=32#?
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How do spiral and elliptical galaxies differ from each other?
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How do stars change as they get older?
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Why are telescopes placed on mountains?
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Why do outer planets have rings but the inner planets don't?
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What types of objects are found in the universe?
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How can states of matter be changed?
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How does the sun affect the outer planets?
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How is the luminosity of the sun determined?
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How is earth different from the other planets in the solar system?
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Question #4c048
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Why can #x^2-4=0# have multiple solutions? Isn't the answer just #x=2#?
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How does the sun differ from a planet?
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What are the inner planets?
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What are the distributions of atomic matter, dark matter, and dark energy in the universe?
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What was the Apollo space program and what were its major accomplishments?
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What are the largest stars and what are their major characteristics?
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How does the sun differ from a white dwarf?
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How do you find the hypotenuse when the other 2 sides' measurements are 3 feet and 4 feet?
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How does the color of stars relate to their temperature?
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What is Sputnik?
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What other objects in the solar system is Pluto most similar to?
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What is the distance between the earth and the sun?
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What is the composition of the sun?
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A star is five times as luminous as the Sun and has a surface temperature of 98,000 K. What is its radius, compared to that of the Sun?
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What kind of star is the sun?
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If a circle has a radius of 3 inches, how do you find the length of an arc intercepted by a central angle whose measure is 3 radians?
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How do you find the length of an arc of a circle, of radius 10 inches, which is intercepted by central angle 125 degrees?
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What is the length of an arc of 40° in a circle with an 8 inch radius?
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What is the circumference of a 16" circle?
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What is the circumference and area of a circle with a diameter of 13 centimeters?
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How do you solve #2x^2 + 5x + 5 = 0 # using the quadratic formula?
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How do you solve #2x^2 + x - 1 = 0 # using the quadratic formula?
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How do you solve #-x^2 - 2x + 2 =0# using the quadratic formula?
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Why does the atmosphere appear blue?
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How do you solve 2x + 5y = 13 and y = –2x + 17?
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If $600 is deposited in an account paying 8.5% annual interest, compounded continuously, how long will it take for the account to increase to $800?
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How do you solve #-6z^2 + 7z + 3 = 0# using the quadratic formula?
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How is the age of the sun determined?
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How do I find the value of sec 45?
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You deposited $2000 into a college savings account 5 years ago. if the account pays 2.5% annual interest, compounded quarterly, how do you find the current balance of the savings account?
please show work
thank you ! (=?
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How do you find the circumference and area of a circle with diameter of 9 inches?
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How do you solve #6x^2 + x = 5# by factoring?
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How do you simplify #sqrt((8z^2y^3))#?
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When you apply heat energy to molecules what happens?
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How has the size of the universe changed over time?
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Does our solar system appear to be unique or are there many solar systems similar to ours in the universe?
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Question #5933a
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How do stars produce energy?