Questions tagged [radius]

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Problem 7- chapter 13 of the Astronomy Principle and practice.-Calculate the radius of Venus

Well, this is one of the exercises from chapter 13 of the Astronomy Principle and Practice, which using Kepler's Laws to solve it. But if there are other ways to solve that would be great. Thank you!
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How Can I interpret this particular light curve without reading data on the side

There is only one dip in flux recorded. How can I interpret this particular light curve and find planetary radius https://exo.mast.stsci.edu/exomast_planet.html?planet=55Cnce
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How can I find the radius of a exoplanet using doppler spectroscopy [closed]

I have the stellar and planet mass, planet velocity, radial velocity of star, stellar semimajor axis. How should I go about to find the radius of this exoplanet?
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Simple definition of Bondi Radius

Can anyone help me by defining what is exactly Bondi Radius? I have searched far and wide but the results are very complicated and so far I have only rough idea of it but I just cant explain it very ...
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How can the radius of a star be measured using parallax?

The radius of Betelgeuse was measured using parallax. From the Wikipedia article: the estimated parallax from the Hipparcos mission was 7.63±1.64 mas, yielding an estimated radius for Betelgeuse of ...