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Planets can cause the star to have a very slight wobble or shift in normal path. This is picked up by a spectrogram. Some planetary systems actually have dust clouds around the star.

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Related Questions

What is a scientist who studies stars and planets?

An Astronomer is a scientist who studies the stars and planets.


What is a planets and what is a star?

An Astronomer is a scientist who studies the stars and planets.


Which scientist would study stars and planets?

An astronomer.


What are astronomers?

A scientist who studies celestial bodies such as planets, stars , and galaxies.


Where are the planets found?

Orbiting stars. We know of eight planets orbiting our Sun, and we know of over 300 planets orbiting other stars.


Are the stars in the sky different planets and moons we have not discovered yet?

No. We know what the stars are. They are not planets. They are distant suns, many of which do have undiscovered planets.


How do scientist know when intense storms move across the surface of neptune?

Scientist know this by the color difference on the planets surface.


How did scientist learn about planets?

They found stars in the sky that moved in regular patterns, and that kept coming back


How did scientist find planets orbiting stars than your sun?

they study the stars, watch them for long periods to discover if they wobble. if they do then they have a gravitational pull on a planet


What do you call it whenthe planets are alined?

i don't know! ask a scientist.


Why are telescopes very useful to scientist?

They are very useful to scientists because it helps them see stars and planets better


Which scientist said the earth is the center of the universe and all of the planets and stars orbit planet?

Pretty sure it was Ptolemy.

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