Here are today’s questions. Answers will be published on Monday. The theme for this week ran from Mon-Thu; a new theme will come up on Monday.

And the questions follow:

1. Launched in 1962 by NASA, Mariner 2 was the first spacecraft to successfully fly by another planet; which one?
2. Launched in 2006, what space probe flew by the Pluto system in 2015? One of the fastest human-made objects ever made, it is currently passing through the Kuiper Belt.
3. Part of a joint mission launched in 1997, which lander reached the surface of Titan, a moon of Saturn, in 2005?
4. What spacecraft, also the first to traverse the asteroid belt, completed the first mission to Jupiter in 1972?
5. The Mangalyaan space probe, which made India the first Asian nation to reach Martian orbit, was launched on a PSLV rocket from which location?

Here are the answers to 2026: Week 25, Quiz 4:

1. Fortuner
2. Everest
3. Pakistan
4. Romania
5. Theme: Authors quoted by Pope Leo XIV in his encyclical Magnifica humanitas
   • Hannah Arendt
   • Viktor Frankl
   • Saint Augustine of Hippo
   • JRR Tolkien