that it is made out of red rocks
Which one? mars
Mars has no rings. Thats what I have learned.
The simple predicate is "have learned" because it shows the action or the verb that the subject "scientists" is doing.
it sucked up Mars and went deeper in
Scientists are hoping to get life on MArs.
They have learned that Earth revolves around the Sun.
no
list three things that the scientists learned about earth in the 1800's?
there are no houses on mars buut can we build houses on mars that is what scientists are trying to figure out
Mars has two moons that scientists know of today.
Bruno Mars learned to play the guitar from his father.
ice