Full Answer
What is the name of the dwarf planet Xena?
PASADENA, Calif.— The International Astronomical Union (IAU) today announced that the dwarf planet known as Xena since its 2005 discovery has been named Eris, after the Greek goddess of discord. Eris's moon will be known as Dysnomia, the demon goddess of lawlessness and the daughter of Eris.
Is Eris the same as Xena?
The Dwarf Planet Formerly Known as Xena Has Officially Been Named Eris, IAU Announces. September 14, 2006. PASADENA, Calif.—The International Astronomical Union (IAU) today announced that the dwarf planet known as Xena since its 2005 discovery has been named Eris, after the Greek goddess of discord.
Is Xena named after Dysnomia?
Sep 14, 2006: The International Astronomical Union (IAU) announces that the dwarf planet known as Xena will be called Eris, after the Greek goddess of discord. Eris's moon is named Dysnomia, the demon goddess of lawlessness and the daughter of Eris.
How big is Xena?
Image right: Located 10 billion miles away, but with a diameter that is a little more than half the width of the United States, Xena is only 1.5 picture elements across in Hubble's Advanced Camera for Surveys' view. Credit: NASA, ESA, and M. Brown (CalTech)
Is there a planet called Xena?
The Dwarf Planet Formerly Known as Xena Has Officially Been Named Eris, IAU Announces. PASADENA, Calif. —The International Astronomical Union (IAU) today announced that the dwarf planet known as Xena since its 2005 discovery has been named Eris, after the Greek goddess of discord.
What is Xena planet?
Both Eris and the asteroid Ceres are also classified as dwarf planets. Sep 14, 2006: The International Astronomical Union (IAU) announces that the dwarf planet known as Xena will be called Eris, after the Greek goddess of discord. Eris's moon is named Dysnomia, the demon goddess of lawlessness and the daughter of Eris.
Is Xena a new planet?
Meet Xena, the first new planet to be found in our solar system since Pluto | The Independent | The Independent.
Where is planet Eris located?
Eris, large, distant body of the solar system, revolving around the Sun well beyond the orbits of Neptune and Pluto in the Kuiper belt.
What is Xena the moon?
Xena, the possible 10th planet in our solar system, has its own moon, a dim little satellite called Gabrielle, its discoverers say. Astronomers who reported Xena's discovery in July say they detected Xena's sidekick in September using the Keck Observatory on Mauna Kea in Hawaii.
What is the oldest planet?
Jupiter formed in a geologic blink. Its rocky core coalesced less than a million years after the beginning of our solar system, scientists reported Monday in the Proceedings of the National Academy of Sciences.
What is the 13th planet?
Eris (dwarf planet)DiscoveryPronunciation/ˈɛrɪs/, /ˈɪərɪs/Named afterἜρις ErisAlternative designations2003 UB313 Xena (nickname)Minor planet categoryDwarf planet TNO SDO Binary38 more rows
Why was Xena changed to Eris?
Dr. Michael E. Brown, a professor of planetary astronomy at the California Institute of Technology who discovered the distant ball of ice and rock that he nicknamed Xena, chose the name Eris, after the goddess of discord and strife in Greek mythology. The International Astronomical Union made the name official today.
Do we have a 10th planet?
Answer: There is no known Planet X or 10th planet in our solar system. Scientists have been looking for about a hundred years. It was believed that such a planet was required to explain the orbital characteristics of the outer planets Uranus and Neptune.
How old is the Sun?
4.603 billion yearsSun / AgeThe sun was born about 4.6 billion years ago. Many scientists think the sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust known as the solar nebula. As the nebula collapsed because of its gravity, it spun faster and flattened into a disk.
How old is the Earth?
4.543 billion yearsEarth / AgeEarth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date.
Is there another planet after Pluto?
Three of Brown's finds—Eris, Haumea, and Makemake—have officially attained the rank of dwarf planet, alongside Pluto. Others, such as Sedna, Orcus, and Quaoar, are next in line for that honor.
Why was Xena changed to Eris?
Dr. Michael E. Brown, a professor of planetary astronomy at the California Institute of Technology who discovered the distant ball of ice and rock that he nicknamed Xena, chose the name Eris, after the goddess of discord and strife in Greek mythology. The International Astronomical Union made the name official today.
Is Eris bigger than Pluto?
Those put Eris' diameter at 1,490 miles (2,397 km) — bigger than Pluto — with an uncertainty of 100 km. The best measure we have now was made by stellar occultations. These put Eris' diameter at 1,451 miles (2,336 km) — smaller than Pluto — with a reported uncertainty of 7 miles (12 km).
What is the story of the discovery of Ceres?
Ceres was the first object discovered in the main asteroid belt and is named for the Roman goddess of agriculture. Italian astronomer Father Giuseppe Piazzi spotted the object in 1801. Ceres was initially classified as a planet and later classified as an asteroid as more objects were found in the same region.
How many dwarf planets are there?
fiveCurrently, the International Astronomical Union (IAU) officially classifies five celestial bodies in our solar system as dwarf planets: Pluto, Eris, Ceres, Makemake, and Haumea.
What is the name of the planet that was discovered in 2005?
September 14, 2006. PASADENA, Calif.—. The International Astronomical Union (IAU) today announced that the dwarf planet known as Xena since its 2005 discovery has been named Eris, after the Greek goddess of discord. Eris's moon will be known as Dysnomia, the demon goddess of lawlessness and the daughter of Eris.
Who discovered the dwarf planet?
The names are those suggested by the discoverers of the dwarf planet—Mike Brown, a professor of planetary astronomy at the California Institute of Technology, Chad Trujillo of the Gemini Observatory, and David Rabinowitz of Yale University, and by the discoverers of the moon—Brown and the engineering team of Keck Observatory where the observations were made.
Where is Eris located?
Eris, about 2,400 kilometers in diameter, was discovered on January 8, 2005, at Palomar Observatory with the NASA-funded 48-inch Samuel Oschin Telescope. A Kuiper-belt object like Pluto, but slightly less reddish-yellow, Eris is currently visible in the constellation Cetus to anyone with a top-quality amateur telescope.
Is Eris closer to Earth than Pluto?
This means that Eris is sometimes much closer to Earth than Pluto— although never closer than Neptune.
What is the planet Xena?
Planet Xena is a fictional earth-like planet where ZeoXros Warframe units reside and stories take place. It takes place in 22XX A.D. as it set on the futuristic-apocalyptic theme.
How many continents does Xena have?
Xena is divided into 5 continents; Unima on the west, Garos on the North, Xinyu on the East, Taroc on the South and Greyz on the Center.
What is the name of the dwarf planet in the Kuiper Belt?
A 3D model of Eris, a dwarf planet in the Kuiper Belt. Credit: NASA Visualization Technology Applications and Development (VTAD) › Download Options
What planet was reclassified as a dwarf planet in 2006?
The new ruling reclassifies Pluto as a dwarf planet and reduces the number of planets in the solar system to eight. Both Eris and the asteroid Ceres are also classified as dwarf planets.
What happens when a dwarf planet gets closer to the Sun?
The dwarf planet is often so far from the Sun that its atmosphere collapses and freezes, falling to the surface as snow. As it gets closest to the Sun in its faraway orbit, the atmosphere thaws.
Which dwarf planet is bigger than Pluto?
Eris. Eris is one of the largest known dwarf planets in our solar system. It's about the same size as Pluto, but is three times farther from the Sun. Eris first appeared to be larger than Pluto.
Is Eris a dwarf planet?
Both Eris and the asteroid Ceres are also classified as dwarf planets. 14 Sep 2006: The International Astronomical Union (IAU) announces that the dwarf planet known as Xena will be called Eris, after the Greek goddess of discord. Eris's moon is named Dysnomia, the demon goddess of lawlessness and the daughter of Eris.
How big is Xena?
Located 10 billion miles from Earth with a diameter a little more than half the width of the United States, the object is 1.5 pixels across in Hubble's view. That's enough to make a precise size measurement.
Is Xena bigger than Pluto?
For the first time, NASA's Hubble Space Telescope has seen distinctly the "tenth planet," currently nicknamed "Xena," and found that it's only slightly larger than Pluto. Though previous ground-based observations suggested that Xena's diameter was about 30 percent greater than Pluto, Hubble observations taken Dec.
