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What makes a star stop being a sequence star?
Basically, the stars on the "Main Sequence" are the ones that fuse hydrogen-1 into helium-4. Once a star burns up its hydrogen-1 fuel, or doesn't have much left, it will start burning helium-4 into heavier elements. It is then that the star leaves the "Main Sequence".
What is the most important factor in determining the path a star takes when it leaves the main sequence?
The main factor is its mass.
Does the blue main-sequence star have a longer life than other stars?
It depends on the mass of the star. The lower the mass, the longer it will stay on the main sequence. A red dwarf may stay on the main sequence for trillions of years, while a blue star only lasts a few million years.
When mRNA leaves leaves the cells nucleus what does it become associated with?
mRNA becomes associated with ribosomes in the cytoplasm. Ribosomes are the cellular structures where mRNA is used as a template for protein synthesis. This association allows for translation, the process of converting the mRNA sequence into a protein.
Is it common for a snowball bush to bloom flower then lose all it's leaves and after about 2 week the leaves come back?
Yes, it is quite common for snowball bushes to bloom flowers before their leaves appear. The flower buds usually form before the leaves, and once the flowers have bloomed, the leaves will start to grow. It's a natural cycle for many plants, especially those that are deciduous.
Does a red main sequence star have fusion?
A red main sequence star would be a red dwarf or a branch red giant. To be on the main sequence, you have to have hydrogen nuclear fusion.
What is the process they generates energy into the core of the main sequence star?
Hydrogen fusion to make helium. When a star runs out of hydrogen in its core to fuse, it begins collapsing, leaves the main sequence, then ignites helium fusion to make carbon, becoming a red giant.
What makes a star stop being a sequence star?
Basically, the stars on the "Main Sequence" are the ones that fuse hydrogen-1 into helium-4. Once a star burns up its hydrogen-1 fuel, or doesn't have much left, it will start burning helium-4 into heavier elements. It is then that the star leaves the "Main Sequence".
Which stage is the sun in?
The Sun is currently on the main sequence, and will stay on it for about another 4.5 billion years. Our sun is currently 4.5 billion years old, which is considered middle age for a star/the sun. The sun has used up half of the available hydrogen, which leaves our sun with about 5 billion years left, before the sun's hydrogen is burnt out, and the sun is no longer our primary source of energy for the earth or any other planet that has life on it.
How and why do scientists know when the first day of fall is?
Leaves falll
The fight sequence with the crazy 88 and o ren at the house of blue leaves is what films cinematography highlight?
The fight sequence with the crazy 88 and o-ren at the house of blue leaves is what film cinematorgraphy highlight?
How do astronomers know that hydrogen is present in almost every star in the universe?
Astronomers use spectroscopy to analyze the light emitted by stars. By studying the absorption lines in a star's spectrum, astronomers can identify the elements present in its composition. Since hydrogen leaves a distinct signature in these absorption lines, scientists have found that hydrogen is the most abundant element in stars, including our Sun.
How many people have drank water before another person?
the Stomach leaves a print on the water, which can't be removed, and scientists can tell how many from that - i don't know how many though . . . . .
Which of the following scientists would more likely be concerned with the rate of photosynthesis in leaves?
what type of scientists is interested in the rate of photosynthesis in leaves
How do scientist group leaves?
Scientists group leaves on the basis of their leaflets and axillary buds into simple and compound leaves; they are then further categorized according to shape and leaf venation
What are the atoms in leaves?
Varies from plant to plant depending on what compounds are in their leaves. Most likely Oxygen, Carbon, Nitrogen, and Hydrogen.
What do scientists think about the changing of the leaves?
http://www.youtube.com/watch?v=9acI8EWNqzg
