Its parent star is a red dwarf--a far smaller and fainter object than the sun.

其母体恒星就像是一个红色的小矮人——比起太阳来实在是又小又模糊。

youdao

The first is its location so close to its parent star.

首先是新行星的位置非常接近其所属恒星，其次，它虽小却相当沉重。

youdao

There is, however, a planet known to orbit backwards around its parent star.

然而，还有一颗绕着母星逆行的行星。

youdao

But the method favours the detection of large planets orbiting close to its parent star.

BBC: Telescope sees smallest exoplanet

But if the planet's orbit is nearly edge-on, as viewed from Earth, then the planet will transit its parent star.

ECONOMIST: Transits of Venus

Its parent star is similar to the sun, again unlike those of the other two candidates, both of which orbit cooler, dimmer stars.

ECONOMIST: Another Earth?