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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Makemake of the Outer Solar System

Explanation: Recently discovered Makemake is one of the largest objects known in the outer Solar System. Pronounced MAH-kay MAH-kay , this Kuiper belt object is only slightly smaller than Pluto, orbits the Sun only slightly further out than Pluto , and appears only slightly dimmer than Pluto. Makemake , however, has an orbit much more tilted to the ecliptic plane of the planets than Pluto. Designated 2005 FY9 soon after its discovery by a team led by Mike Brown ( Caltech ) in 2005, the outer Solar System orb was recently renamed Makemake for the creator of humanity in the Rapa Nui mythology of Easter Island . Additionally, Makemake has been recently classified as a dwarf planet under the new subcategory plutoid , making Makemake the third cataloged plutoid after Pluto and Eris . Makemake is known to be a world somewhat red in appearance, with spectra indicating it is likely covered with frozen methane . Since no images of Makemake 's surface yet exist, an artist's illustration originally meant to depict Sedna has been boldly co-opted above to now illustrate Makemake. A hypothetical moon is visualized above nearly in the direction of our distant Sun.

Date July 16, 2008
Credit Credit: R. Hurt ( SSC-Caltech ), JPL-Caltech , NASA
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.