Question

As you know from part d, most planets are undetectable by the transit method. Nevertheless, scientists have put great effort and expense into observing programs that rely on the transit method, including the kepler mission, the tess mission, and the cheops mission. In one to two paragraphs, briefly explain why the transit method is considered so valuable despite its limitations.

Answer 1

Answer:

Transit Photometry

A Method for Finding Earths

This method detects distant planets by measuring the minute dimming of a star as an orbiting planet passes between it and the Earth. The passage of a planet between a star and the Earth is called a "transit." If such a dimming is detected at regular intervals and lasts a fixed length of time, then it is very probable that a planet is orbiting the star and passing in front of it once every orbital period.

The dimming of a star during transit directly reflects the size ratio between the star and the planet: A small planet transiting a large star will create only a slight dimming, while a large planet transiting a small star will have a more noticeable effect. The size of the host star can be known with considerable accuracy from its spectrum, and photometry therefore gives astronomers a good estimate of the orbiting planet's size, but not its mass. This makes photometry an excellent complement to the spectroscopic method, which provides an estimate of a planet's mass, but not its size. Using both methods, combining mass and size, scientists can calculate the planet's density, an important step towards assessing its composition.

please mark it as a beainliest answer please please if you mark i will follow you

mind that your one click and you got a follower

Answer 2

Advantages of transit method:

• Astronomers can gather very important information about discovered planets using this method. Because planetary transits are periodic in nature, astronomers can determine a planet's orbital period. The transit method has the advantage of giving the size of the planet.
• Therefore, this method cannot guarantee that the particular star being observed is actually hosting a planet. For this reason, the transit method is most effective when measuring thousands or hundreds of thousands of stars simultaneously. When these indicators are present, it's usually a good sign that a planet may have been observed.

Explanation:

• In astronomy, a transit is a phenomenon in which a celestial body passes directly between a larger celestial body and an observer.
• From one point of view, a transit body appears to move across the face of a larger body, covering a smaller portion of the larger body.
• The transit method works by observing a study of preselected stars for periodic decreases in observed brightness.
• If you see this decrease for any of the stars you choose, it's possible that a planet passing in front of that star is decreasing its observable brightness.

#SPJ3