Questions tagged [japan]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
14
votes
2answers
4k views

Why are Japan's launch facilities so far north?

Japan currently has two space launch facilities: Uchinoura Space Center (31°15′07″N 131°04′55″E) and Tanegashima Space Center (30°24′00″N 130°58′12″E). Both of these are at the south end of the main ...
1
vote
2answers
116 views

What is the US president talking about re US/Japan dramatic expansion of military(?) cooperation?

According to the Bloomberg article Japan Astronauts to Soon Join U.S. in Trip to Mars, Trump Says: The U.S. and Japan will “dramatically expand” their cooperation in outer space, with missions to ...
4
votes
1answer
228 views

Why is the engine configuration of the Mitsubishi H3 rocket designed to be off center?

Here is a diagram from a recent Ars Technica article about the H3: You can see at the bottom that the main engines are not 90 degrees off from the side engines. I'm sure that this has been accounted ...
0
votes
1answer
262 views

Will Japan's Interstellar Technologies really call its rocket a “Zero”?

The Space News article Japan’s Interstellar Technologies goes full throttle toward small orbital rocket says: LOGAN, Utah — Japanese startup Interstellar Technologies is developing the main engine ...
-5
votes
1answer
178 views

Is space elevator a reasonable idea? [duplicate]

I read today that Japan is trying to build space elevator by 2050. To me, it sounds like making a super skyscraper. There are so many challenges building skyscraper that exist today. It is an ...
5
votes
1answer
115 views

Could the Japanese H-IIB carry a payload to the moon?

The Japanese H-IIB seems like an interesting cost effective system. I see that it can carry a hefty payload into Earth orbit. Could it send a smaller payload to the Moon?
8
votes
1answer
380 views

What is JAXA looking for on the Moon in the way of 'potential utilization'?

I was reading this article (terrible layout, sorry). This paragraph caught my eye: While Japan is hoping to send humans to the Moon sometime in the future, Keiji Tachikawa, president of the Japan ...
7
votes
1answer
114 views

What was/is the Minor Body Exploration Forum?

I just finished reading the Japanese hard science fiction novel Ouroboros Wave. In the afterword, the author writes the following. For context, the book goes into quite a large amount of detail of ...
9
votes
1answer
117 views

How are (robotic) government space exploration missions in Japan initiated?

The process of how a "government space mission" is initiated is kind of an interesting question to me. In the US and Europe, one has to deal with a series of institutions, agencies, politicians, write ...