A Radar Station in Puerto Rico Can See Ice on Mercury

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There are no hurricanes on Mercury, but there is plenty of water ice — and observing that ice can help scientists deal with the lingering effects of a very terrestrial hurricane.

A Radar Station in Puerto Rico Can See Ice on Mercury : Read more

 

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Radar observations of Mercury and Venus also disclose their distance from Earth too and support the accuracy of the heliocentric solar system in astronomy. On 11-Nov-19, Mercury transit across the Sun took place. Some measured the parallax of Mercury and the solar parallax using telescopes showing their distances from Earth. The astronomical unit is well defined now, supported by radar measurements of Mercury and Venus.