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6 days ago · STEP 1: Print out the template. STEP 2: Color as desired. STEP 3: Cut out both the star sheets and the information sheet along the lines indicated. Make sure to leave both the dotted line sections on the information sheet to attach the star at the top and the bottom! STEP 4: Fold the information sheet as shown.
Stars are giant spheres of superhot gas made up mostly of hydrogen and helium. Stars get so hot by burning hydrogen into helium in a process called nuclear fusion. This is what makes them so hot and bright. Our Sun is a star. Lifecycle of a star. Birth - Stars start out in giant clouds of dust called nebulae.
How does a Star form? Star formation takes place in swirling clouds of gas and dust that are many times larger than a typical solar system. Over time, a region within the cloud becomes denser than its surroundings. At this point, gravity kicks in and the cloud starts to collapse in on itself. As the cloud shrinks, its centre (or core) becomes ...
- Giant Gas Cloud/Nebula
- Protostar
- T-Tauri Phase
- Main Sequence
- Red Giant
- White Dwarf
- Black Dwarf
- Red Supergiant
- Supernova
- Neutron Star Or Black Hole
At the first stage of their lives, stars are formed by the gravitational collapse of giant clouds of dust and gas called Nebulae. This stage is the start of their life cycle.
A protostar is the result of the gravitational collapse of a nebula. It is the formative phase of a star. During this phase, the infant star strives to gain equilibrium between its internal forces and gravity. A Protostar starts very vastly. It can be billions of kilometers in diameter. It usually lasts for 100,000 years. During this period, the pr...
Before fusion begins, the protostar goes through a period called the T-Tauri phase. At this stage, the core temperatures are still too low for hydrogen fusion, so all the star energy comes from the gravitational forceonly. The star at this point is about the same size as a low or medium mass star. However, it is much brighter. This period can last ...
The Main Sequence signifies the portion of a star’s life where its core is capable of hydrogen fusion. 90% of a star’s life is spent in this stage. The stars in the Main Sequence are of many different masses, colors, and brightness. The amount of time a star spends on the Main Sequence depends directly upon its mass. average stars like the Sun stay...
When a star has fused all the hydrogen in its core, its nuclear radiation output ceases. As a result, the star once again starts collapsing due to gravity. The energy generated by this collapse heats the core enough that the hydrogen in the surrounding stellar atmosphere can be burnt. This process causes the star’s outer layers to expand and cool d...
Once the star’s outer layers are shed, only a tiny core comprising primarily carbon and oxygen remains. The star is called a White Dwarf. Here, the mass of an entire stellar core is condensed into a body roughly the size of the Earth. Such a small size is possible due to the pressure exerted by the fast-moving electrons. This fate is only for those...
Black dwarfs are the final stage in the life of a low to medium mass star. They are the remnants of white dwarfs, formed due to the gradual cooling and dimming as they burn their remaining fuel. Eventually, they will exhaust their fuel and keep dimming until they are no longer visible to us. This process takes such a long time that no black dwarfs ...
For stars with a mass 8-9 times that of the Sun, the core temperatures become so high that nuclear fusion can occur even after the helium is exhausted. They can swell up to truly spectacular sizes; for example, Betelgeuse, a red supergiant and the tenth brightest star in the sky, is so massive that if it were in the Sun’s place, it would stretch ti...
The moment the core of a supergiant star turns to iron, it has reached the end of its life. The star collapses instantly under the enormous gravity exerted on its heavy iron core. The core shrinks from around 5000 miles across to just a couple dozen in a matter of seconds, and the temperatures can reach 100 billion K. This collapse triggers an incr...
After a supernova explosion, all that remains of the star is its core. What happens to this core depends on its mass. a) Neutron Star:If the collapsing core is of 1.4-3 solar masses, it forms a Neutron Star. A neutron star is a highly dense, heavy, and trim body comprised of neutrally charged neutrons. The force of gravity on the collapsing core is...
or dipper.ConstellationA group of stars in the night sky forming patterns that look like animals. objects, or characters. There are 8. oficial constellations. At diferent times of the year and in diferent hemispheres, diferent constellation. seen in the sky.GalaxyA collection of billions of stars and other matter.
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Oct 30, 2024 · Arrange the stars in a simple sequence (like red-blue-red-blue) and ask kids to continue the pattern. For a greater challenge, create more complex patterns (such as AAB or ABC) and ask children to match or extend them. This activity enhances cognitive development and helps young children recognize patterns in a playful way. Wish Upon a Star Craft
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Neutron stars, the densest stars known, compress a mass greater than that of our Sun into a city-sized sphere. Finally, the explosive deaths of the most massive stars as supernovae seed the cosmos with the dust and gas needed to form new stars. Stellar Composition and Elements. Stars begin their lives as clouds of hydrogen and helium. Through ...
