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By using the habo space telescle to detect the

object's velocity

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Mark Greenholt

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2y ago

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How can astronomers tell what a distant object's temperature is?

blah blah black sheep


Can astronomers tell what a distant object is made of?

spectrocity...absorption of select frequency of light ie spectrocity


What two things does velocity tell about an objects motion?

Velocity tells us the speed at which an object is moving and the direction in which it is moving.


How can astronomers tell what a distant object is made of?

Astronomers are able to identify chemicals in distant space with the use of spectral analysis. This breaks the light apart into a spectrum and find either emission lines or absorption lines and identifies which elements are present.


How does the light that astronomers see from distant stars and galaxies tell htem that the same atoms with the same properties exist throughout the universe?

We determine the types of elements contained in the star or within the corona by analyzing the spectrum of the light we receive. Each element will radiate at a set of specific discreet frequencies, and the frequencies they radiate tell us what the element is, and how deeply ionized it is. The spectral analysis is exact; we can even determine the proportions of the elements that we see by the relative brilliance of their light. But there IS one thing that the spectrum cannot tell us; is this a normal matter star, or an anti-matter star?


What does analysis of colors tell astronomers about objects in space?

Analysis of colors from objects in space can help astronomers determine the object's temperature, composition, and age. Different colors indicate different chemical elements present in the object, as well as its evolutionary stage. By studying the colors, astronomers can gain valuable insights into the physical properties and processes occurring in space.


How can I tell when two objects have the same velocity on a position graph?

When two objects have the same velocity on a position graph, their position vs. time graphs will have parallel lines with the same slope. This indicates that both objects are covering the same distance in the same amount of time, resulting in the same velocity.


Does velocity have to be represented by north east etc?

If you call it "velocity" then you have to tell what direction it points.If you only tell how fast it is but you don't tell the direction, then it's "speed", not velocity.


What is red-shift and what does the size of the redshift tell us about the distant galaxies?

Red shift is the apparent elongation of the wavelength of light reaching us from distant sources of light due to the expansion of space in between. The amount of red shift can be used to work out the recessional velocity of a galaxy and it's distance from us.


How can you tell an object has moved?

Because of its velocity (velocity is the rate of change of position), an object will move. An object is stationary if it has no velocity because it will not be able to move without velocity. Therefore, you can tell that an object has moved because of velocity.


How can you figure out velocity?

You check out the speed and direction, and times them together, and it will tell you the velocity of the object.


How can astronomers tell how much objects in space weigh?

Weight is due to gravitational forces between two objects. A single object inspace without another one reasonably nearby, or even in gravitational free-falltoward another object, is weightless. So you can not weigh an object in space.Determining the mass of objects in space is another matter.