In summer, I love to watch the stars shine bright. Get your answers by asking now. January 23, 2008 • Phys. Then we can figure out that all the stars in the cluster must be the same age as the age of the stars that just recently used up their nuclear fuels. I have seen some actresses have really shiny face,how they do that? Others are very small and they exist for longer periods of time. Some stars shine more brightly than others. Each time we see the light of a star, we are seeing a star’s past. We can look out into the night sky and see billions of stars shining brightly. We are so close to the sun, and will remain so, because earth formed long ago bound to it by its strong (attractive) gravity. Welcome to a new Happy Learning video. For instance, if all the stars that are greater than three times as massive as our sun have run out of nuclear fuel and have become red giants, then we know that all the stars in the cluster are 500 million years old. So when we say that stars “move”, it could be because of the Earth, because of their own movements, or because of both! Our sun is a medium-sized star and still has millions of years to exist.eval(ez_write_tag([[300,250],'planetsforkids_org-medrectangle-4','ezslot_3',198,'0','0'])); The process of producing the heat for each star involves fusion. Stars shine because they are hot, very hot. The process pauses at the star phase because nuclear power keeps the core warm and keeps it from collapsing further. The process releases tons of … Why do Stars Shine? All rights reserved. Actually, that question is not naive at all. If an object has a HIGH voltage, it will have a HIGH current. We are so close to the sun, and will remain so, because earth formed long ago bound to it by its strong (attractive) gravity. Let it shine! Hello friends! To understand how stars shine, it’s important to know one more basic fact about stars: they’re incredibly massive. Stars move in their own separate orbits with a high speed, but due to considerable distance, their motion can be seen after a very long time. Why do some scientists consider Pluto to not be a planet. Not only can you look up, you can look within and be astonished at the glory and splendor of your own being. The Birth of a Star . Consider the sky at the opposite time of year. The next thing that you need to think about as a reason the stars shine is the speed of light. ? The stars make their own light. NASA/SDO. Stars are dimmer because they are very far away. In 1939 Hans Bethe described in detail the nuclear reactions that power the sun and other stars, leading to his Nobel Prize in 1967. Still have questions? eval(ez_write_tag([[580,400],'planetsforkids_org-medrectangle-3','ezslot_2',601,'0','0'])); They are held together through their own gravity and they give off some of the heat that they produce. If we had the chance to actually travel to where that star is located, we would notice that many things have changed from the moment it released the energy until the time it traveled to reach our site. Nobody has heard of the star "Merak," for instance, but everyone has heard of the constellation it is a part of: the "Big Dipper" or the "Plough," one of the most famous formations in the sky. Copyright 2019 Planet For Kids. If it were not so, then something far away would be pondering how lucky they are to have a star so close as to allow for them to have evolved. So, that's it. The interiors of stars heat up because of the gravitational friction caused by their constant inward crushing. Stars produce their own light much as the sun does. Bible verses about Shine Like Stars. You can't measure the distance to the stars to prove they are really so far away and consequently prove they are dimmer. All astronomy is based on hypotheses which can't really be tested, much less by the common people, so it is a matter of belief to a large extent. Stars produce their own light much as the sun does. As a star forms, pressure inside rises and causes temperature to rise as well. Planets and comets shine because of reflected light because they do not produce their own light. The Moon, planets, asteroids, natural satellites, and comets shine by light reflected from the Sun. The energy is trapped inside the sun for millions of years, constantly trying to get out. These huge stars relatively close to us, within our own galactic neighborhood, our own local spiral arm, and so they look bright! After a star runs out … Where the Stars Still Shine is something entirely special. Focus 21, 3. It can stay like this for a long time. The star is then called a "white dwarf". Light travels at a specific speed and will continue to travel until it hits something that blocks it. Depending upon the distance, some of the light that is shining could have come from stars that gave off that light millions of years ago. Stars shine a long time because they are matter in the middle of changing from being a big, thin cloud of gas into a small, dense chunk of collapsed matter. Favorite Answer.
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