- How many planet Earths could fit inside the sun?
- How long does the sunspot cycle last on average?
- Why do sunspots appear dark?
- What holds the sun together?
- Why should 11 year cycle be called a 22 year cycle?
- Are sunspots permanent?
- Why does the sun shine?
- Which is the biggest star in the universe?
- What happens every 11 years on the sun?
- Is the sun a fairly normal star?
- What is the hottest planet?
- What keeps the sun from falling?
- How many Earths are there in universe?
- How would sunspots appear if you could magically remove them from the sun?
- What are the two energy transport mechanisms in order?
- What year will the Sun die?
- What is the core in the sun?
- Why couldn’t you stand on the sun’s surface?
- How fast do sunspots move?
- What is the primary source of energy for the sun quizlet?
- How many Earths fit Betelgeuse?
How many planet Earths could fit inside the sun?
one million EarthsIt holds 99.8 percent of the solar system’s mass and is roughly 109 times the diameter of the Earth — about one million Earths could fit inside the sun..
How long does the sunspot cycle last on average?
around eleven years11-year Cycle – Usually! The duration of the sunspot cycle is, on average, around eleven years. However, the length of the cycle does vary. Between 1700 and the present, the sunspot cycle (from one solar min to the next solar min) has varied in length from as short as nine years to as long as fourteen years.
Why do sunspots appear dark?
The strength of the sunspot magnetic fields are usually 1000 times as strong as the average solar magnetic field. … The reason a sunspot appears dark is that the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface.
What holds the sun together?
The Sun’s enormous mass is held together by gravitational attraction, producing immense pressure and temperature at its core.
Why should 11 year cycle be called a 22 year cycle?
The sun’s 11 year cycle is a symptom of a longer 22 year cycle called the solar cycle, or Hale Cycle, which affects the sun’s magnetic fields. Every 11 years, the sun’s poles flip. North becomes south and south becomes north. So every 22 years, the poles return to the position where they started the cycle.
Are sunspots permanent?
Most sunspots fade somewhat over time, but they will typically not disappear completely because the skin has been permanently damaged. There are, however, several treatments to diminish the appearance of sunspots. Bleaching creams and acid peels can make the appearance of sunspots less obvious.
Why does the sun shine?
The Sun shines by turning hydrogen into helium in its core. This process is called nuclear fusion. Fusion happens when lighter elements are forced together to become heavier elements. When this happens, a tremendous amount of energy is created.
Which is the biggest star in the universe?
The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun.
What happens every 11 years on the sun?
In 5 years or so, the sun will be awash in sunspots and more prone to violent bursts of magnetic activity. Then, about 11 years from now, the solar cycle will conclude: Sunspots will fade away and the sun will again grow quiet.
Is the sun a fairly normal star?
The Sun is a fairly normal star. The photosphere is about 100 times the diameter of the Earth, and large sunspots are larger than our whole planet. At very large distances from the Sun, its corona turns into the solar wind. The Sun’s mass and volume are over a million times that of our Earth.
What is the hottest planet?
VenusVenus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet. The average temperatures of planets in our solar system are: Mercury – 800°F (430°C) during the day, -290°F (-180°C) at night.
What keeps the sun from falling?
Like all planets and stars the sun is positioned in its place due to the curvature it does to the fabric of space time which makes it rotate around the center of the Milky Way, same as earth rotates around the sun, and since the earth momentum keeps it rotating without falling to the sun, the same happens with the sun.
How many Earths are there in universe?
1 billionNASA estimates 1 billion ‘Earths’ in our galaxy alone – The Washington Post.
How would sunspots appear if you could magically remove them from the sun?
How would sunspots appear if you could magically remove them from the Sun? They would shine bright orange in color, like Arcturus. While observing the Sun, you note a large number of sunspots. … There are likely to be an above average number of flares and prominences.
What are the two energy transport mechanisms in order?
CardsTerm In astronomy, inferometry can be used toDefinition improve the angular resolution of telescopesTerm What two energy transport mechanisms, in order from outside the core to the surface, are found in the sun?Definition radiation, convection42 more rows•Feb 27, 2012
What year will the Sun die?
The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. And, based on observations of other stars, astronomers predict it will reach the end of its life in about another 10 billion years.
What is the core in the sun?
The Core. The Sun’s core is the central region where nuclear reactions consume hydrogen to form helium. These reactions release the energy that ultimately leaves the surface as visible light. These reactions are highly sensitive to temperature and density.
Why couldn’t you stand on the sun’s surface?
Why couldn’t you stand on the Sun’s surface? The Sun doesn’t have a solid surface. You just studied 54 terms!
How fast do sunspots move?
about 12 degrees per dayThe sunspots seem to be moving at about 12 degrees per day.
What is the primary source of energy for the sun quizlet?
The primary source of the Sun’s energy is: The strong force fusing hydrogen into helium.
How many Earths fit Betelgeuse?
Betelgeuse would engulf all four terrestrial planets — Mercury, Venus, Earth and Mars — and even the gas giant Jupiter. Only Saturn would be beyond its surface….About the Image.Id:potw1726bSize:5000 x 5000 px2 more rows•Jun 26, 2017