What contains 99.9% of all matter in the solar system?
Our Sun is a huge, massive, spherically shaped object, containing about 99.8% of all the matter in our Solar System. (The planet Jupiter contains most of the remaining material.) The sun has a mass of 1.9891x1030 kg = 4.384x1030 lb = 2.192x1027 tons, or a mass 333,000 times that of the Earth..
What expresses a greater or lesser amount?
Less than
Greater than | | A quantity is less than a given quantity | A quantity is greater than a given quantity |
| x\x26lt;1 | x\x26gt;1 |
.What happens to a red giant after it burns up all of its helium depends on its __________?
Eventually a red giant burns up all of the helium in its core.
What happens next depends on the star's mass.
A star like the Sun stops fusion and shrinks into a white dwarf star..
What if a star is 65 light years away?
It would take 65 years for us to know that a star 65 light years away had stopped giving off light because that is how long it takes the light to reach Earth.
When using a telescope to observe stars, some say they are observing the past instead of the present..
What is the latitude of sunspot origin?
Moreover, different solar activity indicators have different origins depending on the layer of the solar atmosphere where they are measured (Bouwer, 1992).
At the start of a sunspot cycle, sunspot groups tend to appear around \xb1 40\xb0 heliographic latitude on the Sun..
What is the unbroken array of all colors?
Light from the sun, from certain lamp filaments, and from molten metals each produces a spectrum which has all colors in an unbroken array.
Such a pattern is called a continuous spectrum..
Who introduced the sunspot cycle in 1843?
Although sunspots were known as early as 1600, no one noticed that their number changed with time until the German amateur astronomer Samuel Heinrich Schwabe announced the 11-year cycle in 1843..
Why is it unlikely that stars with masses greater than about 100 to 200 solar masses exist?
Why is it unlikely that stars with masses greater than about 100 to 200 solar masses exist? degenerate matter (like a white dwarf), before it can even begin nuclear fusion. radiation that will drive off the star's outer layers..
- Although sunspots were known as early as 1600, no one noticed that their number changed with time until the German amateur astronomer Samuel Heinrich Schwabe announced the 11-year cycle in 1843.
- Dark matter's gravity tends to slow cosmic expansion, while dark energy pushes in the opposite direction and makes it accelerate.
- Moreover, different solar activity indicators have different origins depending on the layer of the solar atmosphere where they are measured (Bouwer, 1992).
At the start of a sunspot cycle, sunspot groups tend to appear around \xb1 40\xb0 heliographic latitude on the Sun. - Most of the mass in a typical galaxy is in the form of dark matter, with only a few percent of that mass visible in the form of stars and nebulae.
Supermassive black holes are a common feature at the centres of galaxies. - Spectroscopy is used as a tool for studying the structures of atoms and molecules.
The large number of wavelengths emitted by these systems makes it possible to investigate their structures in detail, including the electron configurations of ground and various excited states.
