objects in the sky

Properties of earth materials Objects in the sky Changes in earth and sky..

The second planet from the sun is Venus. Venus is almost the same size as the earth, but it is surrounded by thick clouds of hot, poisonous gases. The surface of Venus is generally plain, dotted with mountains, valleys, craters and volcanoes, which may or may not be extinct. Venus It is the brighte..

Imagine you are travelling in a moving train. Do you observe any change in your position with respect to your co-passengers? Is there any change of scene you view through the window? The change of scene indicates that the train is moving. That is, an object is said to be in motion if it c..

Constellation is a group of stars visible within a particular region of the night sky. The stars that appear in the form of closed groups and form recognizable shapes and patterns are known as constellations. There are about 88 different constellations across the whole sky. But ..

Question: Kiran Prakash recently saw the following illustration in the 'Junior Science'. The magazine invited comments from its readers. Since he is interested in UFOs, he decided to write a letter to them expressing his views. Using ideas from the unit 'Mystery' as well as your own ideas,..

Question 1 - Question: Kiran Prakash recently saw the following illustration in the 'Junior Science'. The magazine invited comments from its readers. Since he is interested in UFOs, he decided to write a letter to them expressing his views. Using ideas from the unit 'Mystery' as well as your own id..

You have studied in the previous chapter about refraction of light by lenses and also about the nature, position and relative size of images formed by lenses. How can these ideas help us in the study of the human eye? The human eye uses light and enables us to see objects around us. How ..

. Scientists estimate that there are about 10 billion trillion stars in the universe. Stars are enormous objects. Even large stars look like tiny dots because they are so far away. The nearest star - other than the sun - is more than 40 million kilometers away. Stars differ greatly in col..

Question: Night bus to Ajmer How often do memories of one festival bring back those of others gone before? Idling on the porch a day after Diwali and savouring the nip in the air that signals a winter coming too soon, my mind harks back some 20 years to a day when I stood at Delhi's Kashme..

>At the time of sunrise and sunset, light from Sun has to pass maximum distance through Earth's atmosphere. As l r > l b red color is scattered least and can enter into our eyes. That is why sun looks red at the time of sunrise and sunset. Clouds are seen due to scattering of light from lower parts..