An artificial satellite orbiting around Earth does not fall down. This is so because the attraction of Earth:

Which of the following pair(s) is/are correctly matched?

$1.$ Cassini-Huygens: Orbiting Venus and transmitting data to Earth.
$2.$ Messenger: Mapping and investigating Mercury.
$3.$ Voyager I and II: Exploring the outer solar system.

Select the correct answer using the code given below:

In which of the following activities are Indian Remote Sensing (IRS) satellites used?    

1. Assessment of crop productivity
2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications
5. Traffic studies

Select the correct answer using the code given below:

Consider the following statements. 
The 'Mangalyaan' launched by ISRO:
$1$. It is also called the Mars Orbiter Mission.
$2$. It made India the second country to have a spacecraft that orbits Mars after the USA.
$3$. It made India the only country to make its spacecraft that orbits Mars in its first attempt.
Which of the statement (s) given above is/are correct?