How much of the solar system's mass is in the Sun?
The Sun contains about 99.8% of all the mass in our solar system.
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- Whose ashes are on the New Horizons spacecraft?
“Some of the ashes of Clyde Tombaugh, who discovered Pluto, are on the New Horizons spacecraft.”
Reference: NASA
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When was Pluto reclassified?
The International Astronomical Union reclassified Pluto as a dwarf planet in 2006.
Does Pluto have a heart?
NASA's New Horizons spacecraft revealed a heart-shaped region on Pluto in 2015.