#sun

wb_sunny How long is the solar cycle?

The solar cycle, also known as the sunspot cycle, is the periodic change in the sun's activity and appearance over approximately 11 years. It is... Read more

radio How does the sun affect radio communications?

The sun is a powerful source of energy that releases different forms of electromagnetic radiation, including radio waves. These waves are used in... Read more

brightness_high What is the role of magnetic fields in the solar system?

The solar system is full of magnetic fields, which play a crucial role in shaping its dynamics. The most powerful magnetic field in the solar system... Read more

brightness_5 Which two elements make up approximately 99% of the Sun's mass?

The Sun is a massive ball of plasma that contains mostly hydrogen and helium. These two elements make up about 99% of the Sun's mass. Hydrogen is the... Read more

wb_sunny How is the sun expected to evolve in the future?

The sun is a main sequence star, which means that it is in a stable phase of its evolution. However, as it continues to burn hydrogen in its core, it... Read more

waves What causes the tides?

Tides are the periodic rise and fall of sea levels, and they are caused by a combination of factors, including the gravitational forces of the moon... Read more

access_time Can you tell the time by looking at the position of the sun in the sky?

Yes, you can tell time by looking at the position of the sun in the sky. This method is known as sundial or solar time. Before the invention of... Read more

brightness_high How does the sun appear from different planets in our solar system?

The appearance of the Sun from different planets in our solar system varies depending on the planet's distance from the Sun, its atmosphere, and... Read more

brightness_high What is the sun's role in mythology?

The Sun has played an important role in mythology across many cultures throughout human history. Many ancient societies worshipped the Sun as a deity... Read more

brightness_high Why did the ancient Egyptians believe in the power of the sun?

The ancient Egyptians had a complex religion that included many gods and goddesses, and the sun was one of the most important. The sun was seen as a... Read more