By 1999, astronomers had discovered 17 nearby stars that are orbited by planets about the size of Jupiter.

Had discovered 17 nearby stars that are orbited by planets

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Had discovered 17 nearby stars with planets orbiting them that were

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Had discovered that there were 17 nearby stars that were orbited by planets

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Have discovered 17 nearby stars with planets orbiting them that are

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Have discovered that 17 nearby stars are orbited by planets

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Solution

The correct option is A Had discovered 17 nearby stars that are orbited by planets
The given sentence talks about the discovery of 17 stars that are orbited by planets the size of Jupiter. From the given options, the most simplified and concise way of writing the underlined part of the sentence is option A). The other options like options B and D are grammatically incorrect. Option C is a lengthier way of writing the underlined part of the sentence and option E is the incorrect meaning of what the author intended to say.

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Similar questions

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• Time to orbit the star: 256 days
• Time of rotation on axis: 10 hours
• Axis of rotation: Perpendicular to the plane of its orbit
• Water: Strong possibility of presence of water
Compare the planet with the earth on the following points.
1. Length of an year
2. Length of 1 day and 1 night
3. Seasons
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3) It is larger than the Earth.

Which of the statements given above are correct?

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