Astronomy1d
20 years ago, the discovery of Eris spelled doom for planet Pluto
When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...
Jack Gordon on MSN4d
I Found the Planet that Went Missing
In this video, I set out on an extraordinary mission to discover a new planet. With the odds stacked against me, I rented a ...
UPI28d
On This Day: Scientists discover dwarf planet Eris
File Photo by Terry Schmitt/UPI ... Fla. In 2005, Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was downgraded from ...
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OTD In Space – January 5: Discovery Of Eris Ignites Pluto-Planet Debate
On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times ...