3OсWhich of the following is a reason that astronomers have not found giant planets with the orbit ofNeptune around other stars?our theories suggest that orbits as far away from a star as Neptune are never stable (and the presence of Neptunein our own solar system is a big mystery)the method we are using to find planets currently can only reveal low-mass planets, while we expect high-massplanets at the orbit of Neptunewe have already found several planets as far from their stars as Neptune is from the SunAt the distance of Neptune's orbit, it takes 165 years to go around the Sun; getting information about just onecycle of such a planet's orbit around another star would take astronomers 165 yearsO at the orbit of Neptune, only very low-mass planets (smaller than Mercury) can formF3$4R(1)FF4VDII%5TQ SearchF5G6BF6Y= 8 0HF7&7UNPrtScnJF8W8Home1WF9M9KEndOF10)PgUp0L

Asked: Reason for not finding giant planets with the orbit of Neptune around other stars.

Which of the following is a reason that astronomers have not found giant planets with the orbit of Neptune around other stars? O our theories suggest that orbits as far away from a star as Neptune are never stable (and the presence of Neptune in our own solar system is a big mystery) O the method we are using to find planets currently can only reveal low-mass planets, while we expect high-mass planets at the orbit of Neptune O we have already found several planets as far from their stars as Neptune is from the Sun O At the distance of Neptune's orbit, it takes 165 years to go around the Sun; getting information about just one cycle of such a planet's orbit around another star would take astronomers 165 years O at the orbit of Neptune, only very low-mass planets (smaller than Mercury) can form Q Search LO

Which of the following is a reason that astronomers have not found giant planets with the orbit of Neptune around other stars? O our theories suggest that orbits as far away from a star as Neptune are never stable (and the presence of Neptune in our own solar system is a big mystery) O the method we are using to find planets currently can only reveal low-mass planets, while we expect high-mass planets at the orbit of Neptune O we have already found several planets as far from their stars as Neptune is from the Sun O At the distance of Neptune's orbit, it takes 165 years to go around the Sun; getting information about just one cycle of such a planet's orbit around another star would take astronomers 165 years O at the orbit of Neptune, only very low-mass planets (smaller than Mercury) can form Q Search LO

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter21: The Birth Of Stars And The Discovery Of Planets Outside The Solar System

Section: Chapter Questions

Problem 22E: When astronomers found the first giant planets with orbits of only a few days, they did not know...

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Concept explainers

Stellar evolution

We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.

Red Shift

It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.

Question

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Which of the following is a reason that astronomers have not found giant planets with the orbit of
Neptune around other stars?
our theories suggest that orbits as far away from a star as Neptune are never stable (and the presence of Neptune
in our own solar system is a big mystery)
the method we are using to find planets currently can only reveal low-mass planets, while we expect high-mass
planets at the orbit of Neptune
we have already found several planets as far from their stars as Neptune is from the Sun
At the distance of Neptune's orbit, it takes 165 years to go around the Sun; getting information about just one
cycle of such a planet's orbit around another star would take astronomers 165 years
O at the orbit of Neptune, only very low-mass planets (smaller than Mercury) can form
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