What keeps stars such as the Sun from collapsing from their own self gravity?
What keeps stars such as the Sun from collapsing from their own self gravity?
The pressure of the energy generated in the solar core pushes outward and would cause the Sun to expand if it were not exactly balanced by the gravitational pressure of the Sun’s outer layers. The outward pressure from the fusion reactions keeps the stars from collapsing.
What theory suggests that the interstellar dust within a nebular cloud is the most important component of planet formation?
Nebular theory
What would happen to a nebula if the pressure inside it was greater than the force of gravity?
When the force of gravity pulling in on the cloud is greater than the strength of internal pressure pushing out, the cloud collapses into a protostar.
What will happen if a low massive main?
Answer: low mass stars are: hydrogen burning in the core while on the Main Sequence. as the hydrogen fuel runs out, extreme pressure raises the temperature to 100 million degrees, where helium burning becomes possible.
What will happen if a massive main sequence star runs out of hydrogen fuel?
When a main sequence star begins to run out of hydrogen fuel, the star becomes a red giant or a red super giant. THE DEATH OF A LOW OR MEDIUM MASS STAR After a low or medium mass or star has become a red giant the outer parts grow bigger and drift into space, forming a cloud of gas called a planetary nebula.
How are heavy elements formed?
Heavy elements are formed in a supernova, a massive explosion of a star. Rather, a more massive isotope of the same element is produced. Elements higher than iron requires tremendous amount of energy to be formed. Thus, they were produced from a neutron capture reaction in a supernova.
What is the element in Group 4 Period 4?
elements titanium
Is wearing gold harmful?
Because the harm from gold is the substance contained in the gold. So if the gold substances into the body of the man then the substance can not be removed again. But gold does not adversely affect women. Because if the gold substance is entered into the woman’s body will be removed again along with menstrual blood.
Can wearing gold make you sick?
Jewelry containing nickel or gold can cause allergic contact dermatitis if a person has an allergy to these metals. It’s important to keep in mind that, even if your ring is gold, traces of nickel in the metal can trigger an allergic reaction.
Is it OK to wear gold and silver rings together?
When you think of mixing gold and silver jewelry together, you might think of a major fashion faux pas. However, wearing gold and silver tones together is a bold statement that says you’re not afraid to mix and match.
Is it OK to wear both gold and silver together?
The biggest trick to wearing gold and silver jewelry together is to fit the overall style of your outfit. If your outfit is causal, keep the jewelry more casual. If you’re going a bit more glam, dress it up! In this way you can make sure that your jewelry fits a certain mood instead of a certain color.
Why should not wear gold and silver together?
Many people try combining gold and silver with very bad results because there is no symmetry in the look. The pieces you choose should have a similar theme and size. You can wear gold and silver chains together, but if the chain types clash with each other, it won’t look good.
Does wearing silver bring good luck?
It is also said that according to our ancient Shastra silver brings abundance and luck to the person who possesses it. Silver also adds in a lot of beauty and happiness to your life. If in a person’s horoscope, the moon is placed in a weak position, then wearing a silver ring will strengthen the moon.
Does gold bring good luck?
Gold opens crown chakra and is known to help someone who wears it. Gold has protective properties and removes evil from your body. Gold has been recognised since primitive times to symbolise wealth and luck as well as strengthen confidence. Gold can attract an abundance of luck and prosperity if one wears it correctly.