comscore Column: There’s little chance that Earth has galactic siblings | Honolulu Star-Advertiser
Facts of the Matter | Hawaii News

Column: There’s little chance that Earth has galactic siblings

  • NASA PHOTO

    Objects in Earth’s galaxy must match many factors to be considered Earth-like. Above, debris dotted an image of the Mars landscape sent by the InSight lander Nov. 26 after its successful arrival on the red planet.

Earth is a unique planet in the solar system, and may be the only one of its kind anywhere. Read more

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