Questions tagged [outer-space]

A puzzle pertaining to topics associated with space like astronomy, space travel, and cosmology.

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9
votes
2answers
970 views

Earth rotation discrepancy

Some time ago, I discovered that planet earth's sidereal rotation period equals 23 hours, 56 minutes, and 4.1 seconds (see for example this Wikipedia article). The sidereal rotation is the rotation of ...
1
vote
1answer
119 views

Where in the world is this astronomical convergence? [closed]

At this location on planet Earth, on April 8, 2024, you can observe a total solar eclipse. At the same location, at some time on June 29, 2024, the sun will be directly overhead. Where in the world is ...
7
votes
1answer
221 views

Let's do some CAP (Cosmology, Astronomy and Physics)

ACROSS 5 God of agriculture 8 Time travel 14 Not in Australia... 16 A friend of mine and 800 suns 17 Still growing... 18 Proposed capital Lambda 19 56 + 36 + 3(0) DOWN 1 Nearest ...
2
votes
0answers
388 views

Find the celestial body

Last week, a group of 5 astronauts went on a space-tour. They accidentally got crashed on a celestial body in space. Luckily no one was harmed! They were amazed to see some highly intelligent aliens ...
11
votes
1answer
661 views

Horrendous Scope of Text

w34rfvgy78i 34rtyhbvftyu89 567tgyhvbn 87654edft5cvbnmkiuhn ? w3edcr5tgby7ujmiokn dfgt67uhjkcvbnm w3edcr5tgby7ujm,> rgncgu9ik987 w3edr5tgbnmkiuhbvc ...
4
votes
2answers
219 views

Homeworlds - Monopoly

Lee wins in 5 turns (click the image for a bigger version) This puzzle is inspired by the other Homeworlds puzzles introduced by @Destructible Lemon. You should explain how Lee (the player on the ...
2
votes
1answer
96 views

Homeworldsmate - Blastdoor

Back with another one move wonder homeworldsmate (link explains who Lee is, for example. Though I guess I'll explain here anyway.) quick reminder, remember to use these rules, with the additional ...
1
vote
1answer
166 views

Homeworldsmate - Inheritance or Insurance fraud

Homeworldsmate: a chess puzzle (directmate e.g.) but with Homeworlds instead of chess. That's a term I just coined/made up, and since I'm currently the one making these, you're just going to have to ...
3
votes
1answer
164 views

Simple Homeworlds puzzle

On this site, we have numerous chess puzzles. however, we do not seem to have any Homeworlds puzzles, the game of space kings (yes this can be tagged outer space thank you very much.) Hence, here is ...
4
votes
3answers
359 views

Come join me for some midday fun!

The second of many fun riddles to come, lets take your social media skills for a run. You'll need them in full swing, to find what i am, if you guessed I'm a man, for you the riddle has just began :) ...
3
votes
1answer
263 views

Locate the position of moon on a newmoon day?

As an amateur astronomer, I wished to locate the position of the moon on the night of a newmoon day, where I was staying. I was on an island (on which I happended to land the same day morning), ...
7
votes
2answers
528 views

An unknown message from an unknown world

Overview: On 10-29-2097 at 14:37, a prototype hyper-luminal communications device was turned on for the first time at Research Site 1039. To the marked suprise of the research team, one of the ...
1
vote
0answers
79 views

Alignment of planets that orbit at same speed [closed]

How could I calculate the alignment of 3 planets that orbit around the sun at the same speed? I have this data: P1: Distance from the sun 1000km and angular velocity 1 degree per day. P2: Distance ...
10
votes
5answers
918 views

Another alien message, but from where?

"Alright everyone. After your great success decoding the stone tablet, we need your help with another message. We picked up a long sequence of radio activity and we're sure it's a message from aliens."...
4
votes
1answer
147 views

Space Spectrums

Three interstellar stations have observed a distant cluster of luminous spheres or gas clouds. The elements detected emits either red, blue or green wavelength but some of the gas clouds with another ...
5
votes
1answer
943 views

A time-traveller's puzzle

Intense and long story coming up... In a galaxy, far, far away there lived a population of creatures, human-like but definitely smarter. The whole galaxy experienced three phases for every Earth ...
2
votes
1answer
263 views

Decipher Message from space

Story: My boss dropped this off on my desk. The astronomers just received this message from a nearby galaxy. I need to decipher it and get a response drafted asap. Message: ...
3
votes
3answers
212 views

Spacecraft on an Asteroid with Unknown Shape

The scientists at NASA are investigating an asteroid in space. From particulars transmitted by the Hubble Space Telescope, it is known to the scientists that the asteroid is either a ball or a cube, ...
4
votes
3answers
878 views

The future is in space?

Here is a 'What am I' riddle... I will go up but I won't come down? There is a lot about me on the news I will go up in the near future What am I?
3
votes
21answers
4k views

The Enterprise and the anomaly [closed]

The USS Enterprise encounters an anomaly 100,000 km off its bow. It makes one complete circular orbit around the anomaly and finds it has traveled about 630,000 km in the orbit. The captain gets ...
12
votes
1answer
912 views

There's no chemistry in this class

It's not only the pupils at Farthingbottom School that come from famous families, some of the teachers do too. One of these is the popular chemistry teacher, Dr M. Langley. He's a real sun-worshipper ...
13
votes
1answer
7k views

I'm Going to the Moon!

You and your friends were having lunch during your break in school when suddenly one of your friends shouted "I'm going to the moon!". One by one, he asked your friends what they are going to bring if ...
15
votes
1answer
289 views

Twinkle Twinkle Bob Junior the Umpth

The year is 2674 and the earth has long been abandoned for a greener planet (apparently even the sky is green). Unfortunately for Bob Junior the Umpth, he has still 250 years left on his shift aboard ...
5
votes
1answer
268 views

The Case of the Strange Astronomy Test

Nogginson Rossouw, professor of Astronomy at his university, set an exam a few days ago. However, it seems that all of the students who have taken the exam, wrote strange answers. The professor asked ...
13
votes
1answer
1k views

I am One Out of Fourteen

I tried twice to be one of 14 though it was not to be My first was normal and no ones tragedy the second was definitely someone's mistake as the very air I breathed was enough to cause ...
12
votes
1answer
666 views

Cryptic Quote #1: To Infinity and Beyond!

This kind of puzzle is relatively straightforward - solve the cryptic clues, fill in the grid, and find the concealed quote! Bonus points for anyone who can tell me who said it without Googling it. ...
10
votes
1answer
458 views

Mr. Hilbert and the Message from Outer Space

Mr. Hilbert had enjoyed stargazing ever since he became friends with Mr. Beckley. So imagine his excitement when he saw an exceptionally bright comet trail in the sky one evening, as he was stargazing ...
9
votes
2answers
869 views

Second star to the right and straight on 'til morning

Remember to look up at the stars and not down at your feet. Try to make sense of what you see... We look up at the same stars and see such different things. So I looked up, second to the right he ...
4
votes
3answers
1k views

An outer-space riddle

Twinkle twinkle little star How I wonder what you are In the sky just passing by You can vanish in the blink of an eye Moving at speeds I can't believe All the things you can ...
6
votes
5answers
1k views

A rare sight indeed

Source of an element that never existed Perhaps with thermal tangles Some of us are not as neat Our name is a misnomer An electronic errand? Hard to pinpoint Following death We fade too Question: ...
8
votes
1answer
533 views

Message to Survivors

Your spaceship pulls out of uberdrive (a new transportation mode that has overtaken hyperdrive in the space exploration market) and you find yourself gazing at the beauty of Earth for the first time ...
1
vote
3answers
563 views

What am I? Better guess fast, the clock's ticking [closed]

You can come into us, you can walk our stairs, You can click pictures with us, but no-one will care. If our real purpose is asked, we're meant to tell the time, But not using us for that must be made ...
38
votes
6answers
3k views

Deciphering an Alien Signal

I have a strange problem that you may be able to help me with. I was recently hired by company that manages several communications satellites, and I've gotten stuck with the overnight shift. Earlier ...
3
votes
6answers
3k views

Alignment of planets that orbit at different speeds [closed]

If a planet completes its circle around the sun in 120 years and another planet in 70 years then when will they come in a straight line as if they are now?
13
votes
1answer
378 views

Which star is this?

This is a question from a previous, now-defunct version of the Temple of Quetzalcoatl, that I've posted here as an exemplar of one of the difficult puzzles you might encounter while solving it. This ...
13
votes
1answer
1k views

Heliocentricity

They approached the man apprehensively. He was aware of their approach, but did not turn to face them. Instead, he kept looking through the window toward the stars. Finally, one of the men gathered ...