Linked Questions

7 votes
1 answer
267 views

What is this thing on the right of the frame in this photograph? (STS-71)

What is this (blurred) thing that can be seen to the right of the frame in this photograph? (some versions crop it out) It is a photograph taken from Soyuz TM-21 of Mir and STS-71 Atlantis docked in ...
blobbymcblobby's user avatar
2 votes
0 answers
188 views

How often are fewer than three astronauts present when moving a Soyuz spacecraft from one docking port to another?

CNN's Astronauts relocated a spacecraft outside the International Space Station (was it inside before?) says: Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov, along with NASA astronaut ...
uhoh's user avatar
  • 149k
6 votes
1 answer
197 views

Docking orientation of Soyuz 4 and 5

I was discussing with a friend about the risk of solar panels colliding with each other if the rates imparted during undocking of similar crafts are higher. Which led to the question, then, why not ...
zephyr0110's user avatar
  • 2,911
10 votes
0 answers
354 views

What's the shiny triangular feature on this Progress vehicle?

Picture from here What's the shiny, slightly curved triangular plate with rails above it? A larger version, cropped from here, thanks to a comment by ohsin.
Organic Marble's user avatar
10 votes
2 answers
1k views

How does automated docking work and why isn't it used more often?

It seems on every flight to the ISS for either people or just cargo, there is always a big deal over manual docking, lots of back and forth over comms, pinpointing the right spot, slowing down in a ...
Mitch's user avatar
  • 543
4 votes
2 answers
2k views

How to design a ground antenna for sending & receiving from a satellite?

Let's suppose there is a wifi router or a cell phone or similar transmitter in an orbit of 3000 km. How could one make a dish antenna to connect and receive the signal from that wifi router or cell ...
Hacker Gamer's user avatar
4 votes
1 answer
357 views

Do the Soyuz spacecraft bringing astronauts and supplies to the ISS use Ukraine-built Kurs systems?

A comment below this great answer about the Kurs navigation and docking system linked to the following page on the Ukrainian company Elimz website: http://www.elmiz.com/en/product/orbitalnyj-servis-...
uhoh's user avatar
  • 149k
6 votes
2 answers
1k views

What is this spinning object seen on a spacecraft above the ISS?

In the YouTube Trailer for the PBS program A Year in Space at 00:56 a small spinning object can be seen, attached to a spacecraft well above the ISS. I think the ...
uhoh's user avatar
  • 149k
1 vote
2 answers
436 views

What is this tiny articulated dish antenna-like thing on Zvezda?

I spotted this tiny, articulated dish antenna-like thing on the Zvezda module of the ISS while looking around for images for here. It looks like it's associated with and/or pointing in the same ...
uhoh's user avatar
  • 149k
3 votes
2 answers
939 views

When was the last normal electron tube (valve) for electrical circuitry launched into space?

The answer to my question The first transistors in space: Germanium or Silicon? What about LEO? actually addressed both the first Germanium and Silicon transistor. So now I've gotta ask about ...
uhoh's user avatar
  • 149k