The velocity of the solar wind is roughly 400 km/s
Q: An image of the disk of the Sun shows a higher brightness at the centre compared to the edges.…
A: The phenomenon you are describing, where the center of the Sun appears brighter than its edges, is…
Q: The solar wind carries mass away from the Sun at a rate of about 2 million ton/s (where 1 = 1000…
A: Sun is the star located at the center of our solar system and is a G-type main-sequence star (G2V).…
Q: Why is the sun orange?
A:
Q: i) Sun spots ______ Select one: Cause changes in the amount of back radiation that Earth emits…
A: i. The sunspots are the area in which the magnetic field is much greater than any other area of the…
Q: Solar cycle 24 was one of the weakest and shortest solar cycle. What are some of the consequences…
A: Solution: Solar storm is a temporary disturbance in earth's magnetosphere caused by the solar winds.…
Q: how big is the sun?
A:
Q: During the Maunder minimum a. solar brightness dropped slightly b. the average surface temperature…
A: Maunder minimum is a time of reduced sunspot activity.
Q: Assume that Hydrogen comprises 78% of the Sun’s mass. How much mass is this?
A: The original mass of the sun is,
Q: why is the sun hot?
A: Sun can be defined as the star at the centre of the solar system, it is also called a heavenly body…
Q: sun emits light having maximum intensity at a wavelength 468nm. Assume emissivity of sun is 1.…
A: Option
Q: The total Sun's energy output for every second can power Earth in modern time hundreds of years…
A: The earth formed at the same time of when the solar system formed. Our solar system formed at around…
Q: The radius of the Sun is 7x10⁸ m and its mass is 2x10³⁰kg.What is the density of the Sun (density =…
A:
Q: The solar wind carries mass away from the Sun at a rate of about 2 million ton/s (where 1 = 1000…
A: Solution:From the Astrophysical data book, the following data are obtained for the solar radiation…
Q: he speed of the solar wind is approy400 km/s. How many days does the solar wind take to travel from…
A:
Q: Sunspots are related to the Sun's a. core rotation b. magnetic field lines tangling c.…
A: Correct option is (b) i eagnetic field lines tangling .
Q: The radius of the sun is approximately 700,000 kilometers. What is the volume of the sun
A:
Q: Using the concept of hydrostatic equilibrium, explain why the Sun does not collapse under the weight…
A: Hydrostatic equilibrium is the balance between the gravitational force and the pressure gradient…
Q: The figure shows a very simplified version of the structure of the Sun. For each statement below…
A: The sun's structured into several layer according to the above picture the layer are disgnated as…
Q: The visible surface of the sun is the a. corona b. chromosphere c. photosphere
A: The visible surface of the sun is the Photosphere. Explanation :…
Q: Rank the layers of the Sun based on their average temperature, from hottest to coolest. A) Corona B)…
A: The Sun can be divided into six layers.
Q: Why does convection develop about 70% of the way from the Sun's center to its surface?
A: Convection is defined as a form of energy transfer where the energy is carried by gas or liquids.
Q: In a typical solar oscillation, the Sun’s surface moves up or down with a speed of 0.1m/s . If you…
A: Given data *The Sun’s surface moves up or down with a speed is v = 0.1m/s *The given wavelength is…
Q: The largest-amplitude solar pressure waves have periods of about 5 minutes and move at about 10…
A: Solar pressure waves are created by disturbances near the surface of the Sun. A wave can be…
Q: If a sunspot has a temperature of 4,270 K and the average solar photosphere has a temperature of…
A: The expression of Stefan-Boltzmann law of energy radiation is E=σT4Jsm2…
Q: There are as many absorption lines in the solar spectrum as there are elements present in the Sun.…
A: An atom, element, or molecule is capable of absorbing photons with energy equal to the energy…
Q: Discuss the origin of aurorae. (Your answer should make reference to the solar wind, the…
A: Required: The origin of aurorae.
Q: The United States consumes about 2.5 3 1019 J of energy in all forms in a year. How many years could…
A: A solar flare is an eruption on the Sun's surface due to magnetic fields accelerating charged…
Q: Which composite or chemical to protect the sun visor from melting do you prefer ?
A: In this problem, it is asking about to composite or chemical to protect the sun visor from melting.…
Q: How many watts of radiation does a 1-meter square region of the Sun's photosphere emit at a…
A: Area = 1 m2Temperature = 500 K
Q: Which of the following incidents will cause the solar constant of a planet to decrease? Select all…
A:
Q: Sunspots appear dark because they are hotter than the sur- rounding gas of the photosphere. (T/F)
A: Sunspots are dark planet-sized regions on Sun's surface. They are created due to magnetic…
Q: In the Sub giant phase which of the following is true? O The star is burning He in the core O The…
A: Given : In the Sub giant phase The star is burning He in the core The star is burning He in a shell…
Q: Calculate the Sun's average density using this formula: V = 4 /3 π r 3 where V = volume (m3) and…
A:
Q: The most abundant element in the Sun is hydrogen. (T/F)
A: Sun is the star at the center of our solar system. It belongs to the G-type main-sequence stars.…
Q: how many times more energy is emitted in 1 second from a square meter of the photosphere compared to…
A: According to Stephen Boltzmann law E = σT4 (J/s/m2) where σ is a proportionality constant equal to…
Q: Meridional is derived from meridian. Look up the definition of meridian; what is the direction of…
A: Meridian are the imaginary longitudinal lines across the earth from north pole to the south pole
Q: Order the sequence of events that occur when a start with roughly the mass of the Sun exhausts the…
A: A star that is roughly the size of our Sun is called a medium star, or mid-size star.When most of…
Q: what the Sun would look like from Earth if the entire photosphere were the same temperature as a…
A: AnswerReddish-orange
Q: If an X28 flare emits continuously for 5 minutes and then stops, calculate the total soft x-ray…
A: Sun has a cycle known as the solar cycle with a period of 11 years. The solar surface which is the…
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