其實 ， 跟據哈勃太空望遠鏡得到嘅觀察 加上其他類似嘅觀測 ， 我哋宜家相信 剩係我哋銀河系二千億個星裡邊 平均每個恆星至少有一個行星
In fact, as well as observations from the Hubble Space Telescope and other similar observations, we now believe that there is at least one planet per star in our galaxy's 200 billion stars