At that distance , a sunlike star is visible through binoculars .
在此距离之内，一个像太阳这样的恒星可以通过大型望远镜观测到。
19 On september 30 , 2006 , the french center for national space studies beamedcosmic connexion , a tv program aimed at extraterrestrials , at a sunlike star called errai 45 light-years from earth .
That would include at least some sunlike stars that aren 't part of clusters and that thus offer no other clues to their age , and that , in turn , would tell you the approximate age of any planet that orbits those stars .
When sunlike stars run out of hydrogen fuel , they enter a red giant phase , in which their gas envelopes can swell to several hundred times their original size .
当这些像太阳一样的星球耗尽氢燃料时，它们就会进入红胀时期，此时它们的气囊会扩大到到原来的几百倍。
Earlier research suggested that rocky planets might be much more abundant around small stars than sunlike ones .
