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Who Discovered it?
When and Where was it Discovered?
On August 18th, 1868, a French astronomer named Pierre Janssen was looking at a solar eclipse when he saw a big bright yellow line. At first, he thought that the line was sodium.
Then, in October, 1868, an astronomer from England named Norman Lockyer saw the same yellow line and he also thought it was sodium. According to Lockyer, sodium already has two lines, D1 and D2, so he named this new line as D3 Fraunhofer line. Later on, he decided that the line wasn't sodium and that it wasn't any known object from earth either.
Both Lockyer and a chemist from England named Edward Frankland, named the unidentified object as helios. Helios is the synonym for the Sun in Greek. As he used the D3 spectral line and first traced ...
4. Habitat 5. Predetation 6. Reproduction 7. Family Life 8. Environmental Adaptations 9. Picture 10. Bibliography ENVIRONMENTAL ADAPTATIONS The kangaroo has adapted to many different types of climates. The gray kangaroo has adapted to life in the grasslands. It has stronger legs for leaping. Its feet are also wide. Its snout is longer and...
As I researched, I found many different definitions of Physics, some being very complex and others being simple and to the point. In defining physics, firstly, I would have to mention that the early history of physics is interrelated with that of other sciences, maths and concepts. As we know, the first areas of physics to receive close attention...
s (The ? Grand Performance! Life story BBC) The male s make a bower and call the females. Once the female gets in the male bird wants her, he begins the show. First, he expands his pupils then he starts to do a weird and wheezy call from deep in his neck. For his grand performance, he waves his wing like a matador?s cape then he gives a few head...
In this report I will give a history on the development of . I will cover some of the most important dates in the development of atomic theory. An atom was first thought of by the Ancient Greeks who believed that matter was made of smaller particles called elements. The name they gave to these particles was the atom. In 1776 the man known as "T...
The Eye is the organ of that you gives your sight. Eyes enable people to perform tasks and to learn about the world that around them. Sight, or vision, is a rapidly occurring process that involves interaction between the eye the nervous system and the brain. When someone looks at an object, what he/she is really seeing is the light that the object...
