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www.cfa.harvard.edu/
2019-05
There are currently about 2000 confirmed exoplanets with radii less than about three Earth-radii, and measurements of their densities reveal an astonishing diversity. Some have densities lower than Neptune which is made mostly of volatiles (materials less dense than metal and rock, but Neptune has almost four times the Earth's radius), while others appear to have rock-like densities, as high as the Earth's or higher.
There are currently about 2000 confirmed exoplanets with radii less than about three Earth-radii, and measurements of their densities reveal an astonishing diversity. Some have densities lower than Neptune which is made mostly of volatiles (materials less dense than metal and rock, but Neptune has almost four times the Earth's radius), while others appear to have rock-like densities, as high as the Earth's or higher.
Issue #2
should be IV
- Type of issue
- IV not generated for target page
- Reported
- Feb 5, 2019