1.As you know, the Marina space mission (go) according to plan. 2.As far as we can tell , the spacecraft (head for) the moon. 3.We can 't be sure…

1.As you know, the Marina space mission (go) according to plan. 2.As far as we can tell , the spacecraft (head for) the moon. 3.We can 't be sure becauseat the moment it (send) us any useful information. 4. As a result , we (receive) radio signals.5. It seems that the solar power panels (point) at the Sun.6 So as a result , the (produce) enought power.