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When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago. Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
Where the light year special units are use?
Light-years are mainly used to specify distances to other stars and galaxies, diameters of galaxies, galaxy walls, and the like.
Who found the galaxies?
who discovered the galaxies who discovered the galaxies
What are the types or categories for galaxies?
Spiral galaxies, barred spiral galaxies, elliptical galaxies, and irregular galaxies
What is the possessive form of galaxies?
The possessive form for the plural noun galaxies is galaxies'.Example: Their galaxies' paths do not coordinate.
Can faint background galaxies be mistaken for stars?
Yes. Far-away galaxies can be mistaken for stars and occasionally are. This is due to the galaxies being millions upon millions of light years (the distance light can travel in a year) away from earth.
What is a example of the solar?
non-examples of solar system iz galaxies,stars,and light-year
What galaxies are sometimes called dwarf galaxies being typically smaller than spiral galaxies?
Elliptical galaxies are sometime called dwarf galaxies.
What unit of measurement is used in knowing the distance between milkyway galaxy and other galaxies?
The unit of measurement used to measure distances between galaxies is typically the light-year, which is the distance that light travels in one year. This unit is used because of the vast distances involved in intergalactic space.
Should galaxies be considered large?
Depends on how a galxy's size is compared to another one. Some galaxies are larger than others. But in light-year lengthwise, they are very big. A light year is equal to almost 6 trillion miles or 10 Pm (Petametre)
When do you use the term light year?
When talking about the distances that separate stars and galaxies. A light years is the distance that light travels in one year.
