«Interestingly K2 - 229b is also
the innermost planet in a system of at least 3 planets, though all three orbit much closer to their star than Mercury.
Not exact matches
NASA's Mariner 10 mission detected a magnetic field around our solar
system's
innermost planet in 1974, but its cause remained a mystery — until recent measurements suggested that Mercury's core may be partly molten.
NANTES, FRANCE — Despite basking
in the sun's fiery glow, tiny Mercury, the
innermost planet in our solar
system, is probably home to extensive ice fields.
Incidentally, that's the same fate that awaits Mercury and Venus, the two
innermost planets in our own solar
system, when the sun grows into a bloated red giant star some 5 billion years from now.
Mercury is the
innermost and smallest
planet in the solar
system, orbiting the Sun once every 88 days.
The star, designated Kepler - 10, dimmed 0.015 % every 0.84 day, revealing a
planet — dubbed Kepler - 10b — orbiting only 1 / 20th as far from its star as Mercury, the
innermost planet in our solar
system, orbits the sun.
With a period of 18 hours, it is the
innermost of five
planets in the
system.
For comparison, Mercury, the
innermost planet in the solar
system, takes 88 days to circle the sun.
Now, the treasure trove of data gathered by the spacecraft before its demise is helping scientists answer questions about the solar
system's
innermost planet in unprecedented detail.