New Earth (New Earth)

New Earth was a planet colonised by the New Earth Empire.

Astronomical data
New Earth was located in the M87 galaxy, 50,000 light-years away from the original Earth according to the Tenth Doctor. (TV: Gridlock) It was chosen for colonisation because it had had an orbit, size, atmosphere and terrain similar to Earth. New Earth had at least two large moons or planets in its vicinity, visible in the sky. Apple-grass grew on the planet.

Landmarks of New Earth included New New York, which was actually the fifteenth New York, and the New New York Hospital, a hospital run by the Sisters of Plenitude. (TV: New Earth) There was also a New Atlantic and a New New Jersey somewhere on the planet, as well as Fire Island. (TV: Gridlock)

History
At some point, humanity relocated to a new planet and named it New Earth.

According to one account, this happened at least before 4,999,999,740, when New Earth was the capital of the New Earth Empire. (COMIC: Agent Provocateur) According to another account, the Tenth Doctor said that humanity became nostalgic towards Earth as soon as the Earth was destroyed by the sun's expansion in the year 5,000,000,000 and created a "big revival movement" and later found New Earth. (TV: New Earth)

In the year 5,000,000,023, the Tenth Doctor and Rose Tyler visited the New New York Hospital on New Earth when the Doctor received a plea to go there on the psychic paper from the Face of Boe. After learning of the two's arrival, Cassandra O'Brien.Δ17 overrode the hospital lift and made Rose descend to the hospital basement, where she had been hiding out since the destruction of Earth. There, Cassandra took over Rose's body using a psychograft. After the Doctor and Cassandra discovered that the Sisters of Plenitude at the hospital were growing humans to cure all viruses and diseases, Cassandra released some of these diseased humans onto the Sisters, and they in turn freed the others and began to attack the hospital. The Doctor, with the help of Cassandra in Rose's body, released a medicine to cure the humans. The remaining Sisters were arrested by the NNYPD and Cassandra passed into the body of her clone, Chip, before dying in the arms of her past self. (TV: New Earth) In 5,000,000,029, a deadly, airbourne virus mutated from an addictive mood drug and spread across New Earth. The New New York Undercity was sealed off to protect the population, and New Earth was placed under a quarantine set to last one-hundred years. The virus subsequently wiped out the entire population of New Earth, save Novice Hame, the Face of Boe and those in the New New York undercity, within seven minutes flat, and eventually perished itself.

In 5,000,000,053, the Doctor and Martha Jones arrived in the undercity. Martha was kidnapped and trapped in the Motorway, an underground traffic route that was supposed to take people to the surface. Since above-ground was sealed off, the Motorway was essentially an endless circuit of traffic. The Doctor met the Face of Boe one last time. Boe died by using his life energy to open the roof of the motorway so that mankind could live on the surface once more. (TV: Gridlock)

Behind the scenes
New Earth appears in the online game Doctor In A Dash as the setting of Level 2 where, as with all levels, the Doctor's TARDIS (the player) races against a Dalek flying saucer, a Judoon rocket, and a Slitheen craft to find a Space-Time Manipulator. The cars of New New York act as obstacles to the ships.

New Earth (Planète) Новая Земля