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What do Doppler shift observations of a spectroscopic binary star enable astronomers to calculate?
Wiki User
∙ 7y ago
They let us see the speed of the stars around the common center of mass. More precisely, the Doppler shift will only detect the component of this speed in our direction - that is, towards us, or away from us.
Wiki User
∙ 7y ago
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A planet's density can be measured by combining?
Doppler and transit observations
Using the Doppler effect astronomers can determine a stars what?
How close and far something is from you.
What does analysis of colors tell astronomers about objects in space?
Doppler shift tells the distance form the earth station
Who discovered the Doppler red shift?
The Doppler redshift was discovered by Hippolyte Fizeau in 1848.
Can a Doppler radar be used to study tornadoes?
Yes. Doppler radar is one of the most important tools in the modern study of tornadoes.
A planet's density can be measured by combining?
Doppler and transit observations
What does the Doppler Effect tell astronomers about the universe?
It tells us that the Universe is expanding.
Using the Doppler effect astronomers can determine a stars what?
How close and far something is from you.
Planets detected via the Doppler technique have been mostly?
Planets detected via the Doppler technique have been mostly Jupiter mass in very close orbits. A planet's density can be measured by combining Doppler and transit observations.
What does analysis of colors tell astronomers about objects in space?
Doppler shift tells the distance form the earth station
What has the author Stephen D Pierce written?
Stephen D. Pierce has written: 'Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey I' -- subject(s): Acoustic velocity meters, Observations, Ocean currents 'Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front surveys I and II' -- subject(s): Joint Global Ocean Flux Study, Observations, Ocean currents 'Acoustic Doppler current profiler observations during the coastal jet separation project on R/V Wecoma, 17-24 May 1995' -- subject(s): Observations, Ocean currents, Acoustic velocity meters, Salinity 'Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front process studies I and II' -- subject(s): Joint Global Ocean Flux Study, Observations, Ocean currents 'Acoustic Doppler current profiler observations during the coastal mixing and optics experiment' -- subject(s): Observations, Ocean currents 'Equatorward jets and poleward undercurrents along the eastern boundary of the mid-latitude north Pacific' -- subject(s): Ocean currents
How can astronomers determine whether a star is moving toward or a way from earth?
They can do so by examining the light from the star. Doppler shift can indicate this
What is a Doppler red shift and a Doppler blue shift?
A Doppler red-shift is a shift in recognizable features of a star's spectrum from the wavelengths where we know they belong toward longer wavelengths. Such a shift can be caused by the star's moving away from us, and that's how it's interpreted when astronomers see it. A Doppler blue-shift is a shift in recognizable features of a star's spectrum from the wavelengths where we know they belong toward shorter wavelengths. Such a shift can be caused by the star's moving toward us, and that's how it's interpreted when astronomers see it.
How are redshifts created?
A redshift can be created by several mechanisms; one that is of great interest to astronomers is the Doppler effect: if an object comes towards us, or goes away from us, the frequence of the light we receive from that object, changes.A redshift can be created by several mechanisms; one that is of great interest to astronomers is the Doppler effect: if an object comes towards us, or goes away from us, the frequence of the light we receive from that object, changes.A redshift can be created by several mechanisms; one that is of great interest to astronomers is the Doppler effect: if an object comes towards us, or goes away from us, the frequence of the light we receive from that object, changes.A redshift can be created by several mechanisms; one that is of great interest to astronomers is the Doppler effect: if an object comes towards us, or goes away from us, the frequence of the light we receive from that object, changes.
How does a speed camera calculate speed?
By using the "doppler" effect and measuring the change in frequency.
What can astronomers learn about the stars motion based on wavelength shifts?
They can determine how fast the star is moving toward or away from us. The chemical spectral signature is used to determine the Doppler shift of the visible light reaching us. This is then used to calculate how fast we and the star in question are moving toward or away from each other.
What does the Doppler affect tell astronomers about a star?
The star attracts the planet; the planet attracts the star. As a result of the latter, the star changes position. If this change is such that the star moves away from us during one part of the planet's orbit, and towards us at another (or more generally, the star's speed towards us, or away from us, changes slightly), then this can be detected as a Doppler shift.
