Consider the following statements-
1. Astronomers have discovered hundreds of planets around the Milky Way, including rocky planets similar to Earth and gas planets similar to Jupiter.
2. there is a third type of planet in our solar system; part gas, part ice and this was the first time anyone has spotted a twin for our so-called "ice giant" planets, Uranus and Neptune.
3. The newly discovered planet leads a turbulent existence; it orbits one star in a binary star system, with the other star close enough to disturb the planet's orbit.
4. The binary star system lies in the Milky Way galaxy, in the direction of Sagittarius.
Select the correct answer using the codes given below.
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