JAXA's MMX launches toward Mars's moon Phobos

1. Question 1Answer C

   On which rocket did Japan launch the Martian Moons eXploration spacecraft on 20 October 2026?

   • AH-IIA
   • BEpsilon
   • CCorrect answer: H3
   • DM-V

   Core Trigger: Japan launched the Martian Moons eXploration spacecraft on an H3 rocket from Tanegashima at 04:41 JST on 20 October 2026.From Book 1 RATNA, topic 270, point 1

2. Question 2Answer D

   MMX plans to return its collected samples to Earth in which year?

   • A2029
   • B2033
   • C2035
   • DCorrect answer: 2031

   Mission Aim: MMX will land on Phobos, collect at least 10 grams of material and return it to Earth in 2031.From Book 1 RATNA, topic 270, point 2

3. Question 3Answer A

   Which space agency leads the MMX mission?

   • ACorrect answer: JAXA
   • BNASA
   • CESA
   • DCNES

   Lead Agency: JAXA leads the mission, with NASA, CNES, DLR and ESA as partners.From Book 1 RATNA, topic 270, point 3

4. Question 4Answer B

   Which moon of Mars is MMX's landing target?

   • ADeimos
   • BCorrect answer: Phobos
   • CEuropa
   • DTitan

   Key Term: Mars has two moons, Phobos and Deimos; MMX targets Phobos.From Book 1 RATNA, topic 270, point 4

5. Question 5Answer C

   Which is/are correct? (1) MMX takes about a year to reach Mars. (2) Operations at Mars then last three years.

   • AOnly 1
   • BOnly 2
   • CCorrect answer: Both 1 and 2
   • DNeither 1 nor 2

   Timeline: The spacecraft takes about a year to reach Mars, followed by three years of operations.From Book 1 RATNA, topic 270, point 5

6. Question 6Answer C

   India's Mangalyaan Mars Orbiter Mission ran in which period?

   • A2008-09
   • B2016-17
   • CCorrect answer: 2013-14
   • D2019-20

   India Link: India's Mangalyaan Mars Orbiter Mission ran in 2013-14; MMX shows sample-return ambitions India has yet to attempt.From Book 1 RATNA, topic 270, point 7

7. Question 7Answer D

   In which Japanese prefecture is the Tanegashima Space Center?

   • AOkinawa
   • BHokkaido
   • CMiyazaki
   • DCorrect answer: Kagoshima

   Venue: The launch site was the Tanegashima Space Center in Kagoshima Prefecture, Japan.From Book 1 RATNA, topic 270, point 8

8. Question 8Answer A

   JAXA was formed in 2003 by merging NASDA, NAL and which other body?

   • ACorrect answer: ISAS
   • BJAMSTEC
   • CRIKEN
   • DNICT

   Founded: JAXA was formed on 1 October 2003 by merging ISAS, NAL and NASDA.From Book 1 RATNA, topic 270, point 9

9. Question 9Answer B

   Which Article of the Outer Space Treaty (1967) bars national appropriation of celestial bodies?

   • AArticle I
   • BCorrect answer: Article II
   • CArticle VI
   • DArticle VIII

   Landmark: Article II of the Outer Space Treaty (1967) bars national appropriation of space and celestial bodies.From Book 1 RATNA, topic 270, point 10

10. Question 10Answer A

    Which is/are correct? (1) Under Article VIII, the state of registry retains jurisdiction over a space object. (2) Res communis subjects outer space to state sovereignty.

    • ACorrect answer: Only 1
    • BOnly 2
    • CBoth 1 and 2
    • DNeither 1 nor 2

    Treaty Article: Article VIII provides that the state of registry retains jurisdiction and control over a space object.From Book 1 RATNA, topic 270, point 11

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