Universe

What are sun spots?

Sun spots are the parts on the solar surface which has temperature nearly 4500 K. this temperature is 1500 K less than the temperature of the surrounding photosphere. So these regions are somewhat cool then the other parts. These sun spots are 150 kilometers away […]

How far are stars?

Have you ever thought that the beautiful twinkling stars in the night are how much far from us? And answer for this is that it is very much away from our planet. The distance of the stars are not measured in meters or kilometers as […]

Why do stars twinkle?

Stars appear as twinkling when we look at them from the earth’s surface. Light travels from the stars towards the earth while reaching the earth surface it has to pass from many layers of the atmosphere of different densities and temperature, as we know that […]

Is the Universe expanding?

Do you enjoy knowing more about the mysteries of the universe? A lot of people debate about whether the universe is something that was created by the God Himself, or it is just a creation that happened with the passing of the time. Many people […]

How do stars form?

Stars are the beautiful objects seen in the sky but what makes them beautiful? What are they made up of? Stars emerge from the dust clouds that are present in all galaxies. The great disturbance and movement deep within the dust cloud causes the knots […]

Why there is no life on the moon?

Moon is a natural satellite of earth but life on the moon is not possible as on the earth because of many reasons. Firstly there is no water on the moon which is the first and foremost requirement for the life. Life first started on […]

Why do we se only one side of moon?

Moon is the natural satellite of the earth which orbits around the earth in about 29 days. We see only one side of moon this is because of gravitational tides. Earth and moon exert tidal forces on one another. Earth and moon are very close […]

Why do we have day and night?

Everyday we go through day and night and many times think that why it happens. This is because earth rotates on its own axis. This axis is an imaginary line that passes through the North Pole and South Pole of the earth. The sun is […]

What are planets made of?

Planets are the bodies that revolve around the sun. These bodies do not give enough light that can easily seen by our eyes but sometimes we see the planet because the light of sun falling on them gets reflected and reaches to us. Our solar […]

Why do planets circle the sun?

The first and foremost reason for why all planets move around the sun is that sun has very strong gravitational force which makes the planets to move around it Just as the moon revolves around the earth because of earth’s gravitational force. So here the […]