SpaceShipTwo undertook its 23rd glide flight on Dec. 19 in the pre-powered portion of its incremental test flight program. This was a significant flight as it was the first with rocket motor components installed, including tanks. It was also the first flight with thermal protection applied to the spaceship's leading edges. <br />
new look of classic style
The diagram compares the planets of the inner solar system to Kepler-69, a two-planet system about 2,700 light-years from Earth in the constellation Cygnus.
Москва | Фотоальбом - Москва
This artist's concept depicts Kepler-69c, a super-Earth-size planet in the habitable zone of a star like our sun, located about 2,700 light-years from Earth in the constellation Cygnus.
Most Earth-like Exoplanet Discovery Explained (Infographic) by Karl Tate