Questions tagged [iss]

Questions about the International Space Station, a habitable man-made low Earth orbit satellite whose first component was launched in 1998 and used to conduct experiments for a wide variety of research fields in a microgravity environment.

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How much does the ISS “banana” or flex under the constantly changing conditions of solar heating?

This answer to Do antennae on the ISS have to constantly move to maintain data links? discusses some of the challenges precisely pointing an antenna mounted to the ISS exterior. While the ISSs orbit ...
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ISS Docking / Undocking schedule availability

Is there a website or other API from where the ISS planned docking / undocking events could be available? I would also be interested in historical docking undocking events. Thank you very much in ...
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Taking custom software or hardware to the ISS

Before departing to the ISS, astronauts are allowed to pack some personal objects to be taken with them (see other question about packing). What if an astronaut had some self-written software (for ...
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1answer
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Could the Crew Dragon be used to re-boost the ISS?

In an answer to a related question, Jörg W Mittag wrote the following: But more importantly, handling of the Superdracos is currently rather simple. They are safed after reaching orbit and then never ...
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Can Virgin Galactic's Orbital ship reach ISS

We have all come across theories, concepts proposed missions of orbit tour as a part of space tourism. One such company is Virgin Galactic. I have had read that the SpaceShip2 will have merely 6 mins ...
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How much time it takes for the capsules to descend from ISS back down to Earth?

How much time it takes for the space capsules to descend from ISS back down to Earth? Soyuz, Dragon, Crew Dragon, Cygnus, European ATV and Japanese HTV and any other such craft. From the moment they ...
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What happens to the ISS waste? [duplicate]

How is the waste managed on ISS? I guess there are three main waste types: two human waste (liquid and solid) and various packaging for food and substances for experiments. Are they recycled or sent ...
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Was the ISS closer to Baja California or California when this ISS press event started? When exactly did it start?

The NASA video Expedition 63 Inflight with New York Times, Fox News, and USA Today - July 7, 2020 begins with NASA astronaut and Expedition 63 commander Christopher Cassidy discussing with an ...
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What is the blue and purple glitter dinosaur above NASA astronaut Robert Behnken in this video?

The NASA video Expedition 63 Inflight with New York Times, Fox News, and USA Today - July 7, 2020 includes NASA astronaut Dr. Robert Behnken, and above can be seen a blue and purple glitter covered ...
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What options exist for crew transfers to the ISS?

Since the retirement of the Space Shuttles, all crew transfers from and to the ISS are performed using the Russian Soyuz crafts launched with the launch system of the same name. Should Russia ...
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Are there really “Dead End” signs on the outside of the International Space Station?

This question currently links to the NASA video Expedition 63 Inflight interview with Yahoo Finance KPRC TV - July 24, 2020 at 07:46 where a few seconds later ...
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Whats wrong with the camera in recent ISS videos?

In recent videos from the ISS, specifically videos after the recent Demo 2 docking, there are what seems to be little particles stuck inside or on the camera lens. I am wondering, is this damage from ...
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Was TORU really used on Salyut space stations

Digging a little bit in history of russian space technology, I stumbled over some inconsistencies regarding the TORU system. TORU (rus. Телеоператорный Режим Управления - Teleoperated Mode of (...
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Is the new RGB solid state LED lighting on the ISS ever used to produce colors other than white?

This answer to Why are these astronauts green? explains the new (now about 2 years old) solid state (LED) lighting modules being added to ISS interior lighting, replacing the fluorescent lights (see ...
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What kind of time regiment/schedule do ISS astronauts have?

On Earth people's lives are usually dictated by a 24-hour rhythm (with about 8 hours of sleep each night). As far as I know this rhythm is determined by chemical processes in the human body which are ...
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Can astronauts hear sounds during space walks for repairs?

We know there is no sound in space in a vacuum, but when an astronaut is outside on a spacewalk doing repairs, can they hear the tapping when they use a hammer or the sound of a power screwdriver etc.?...
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ISS Destiny Module inner wall: thickness set by internal atmospheric pressure or by mass density needed for meteor shielding?

In their 2006 paper Christiansen et al. describe the "stuffed Whipple shield" wall of the ISS's Destiny Module. The outer skin, the Whipple shield's "bumper" layer, is a thin layer of aluminum (alloy ...
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How, specifically, are ISS audio comm loops “privatized”? For example, in private medical conferences?

The paper International Space Station Medical Operations mentions Private medical conferences (PMCs) are conducted regularly and upon crew request with the ISS crew via private audio and video ...
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Specifications on ISS EVA suit cameras

The suits that astronauts use to preform EVA's on the ISS have some sort of "TV camera" with which they stream analog video back to the ISS and then back to Earth so that we can see it on ...
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Would a higher air pressure on the ISS or elsewhere make it easier to “swim” in microgravity?

What if the atmospheric pressure onboard the ISS was 5 atm, 5 times the pressure on Earth and currently on the ISS, while maintaining the breathable oxygen level, e.g. if the additional atmosphere ...
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Can I see the ISS from the surface with the naked eye?

Can I see the International Space Station (ISS) from the surface with the naked eye? If yes, how can I determine that it really is the ISS?
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Any official size for the ISS pizza box?

I still haven't found the official size of the ISS pizza box[1] and a search on the WEB doesn't help: "30 miles deep and 30 miles long around the space station": https://www.vice.com/en_us/...
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Can Astronauts really see firework displays from space?

ISS Expedition 59/60 astronaut Nick Hague tweeted: Sporting our red, white, and blue on @Space_Station!🇺🇸 Planning a “cookout” tonight. Beef patties, corn, blueberry cobbler, and lemonade are all ...
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Can I text on my cell phone from the ISS to Earth?

We know from Can we detect the cell phone, satellite phone, or walkie talkie of someone walking on Mars from Earth? that cell phone signals on Mars are potentially observable on Earth. I am not an ...
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On the ISS what is that frame with a criss-cross of rubber bands?

You can see below a picture of Steven Swanson doing a detailed tour of the ISS. I was wondering what is that frame with rubber bands on the right? It just seems to block access to the racks behind. ...
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What is astronaut Alexander Gerst signaling with this K-shaped hand signal?

In this AP/WISN news item Air leak at International Space Station temporarily plugged by a thumb they show a file photo of German astronaut Alexander Gerst at the Baikonur cosmodrome, making what ...
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Plans for HUD in next-generation spacesuits

A HUD (Head Up Display) allows a computer to display information directly into a user's line of sight and thus allows them to interface with that computer without needing to look at a tablet or ...
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Did CNSA astronaut Zhai Zhigang see the ISS during an EVA?

This answer to Has an astronaut ever seen another object in LEO pass by that wasn't mission-related? says: The encounter happened at longer distances ($\sim47\;km$) and the Shenzhou-7 is smaller than ...
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Duration of SpaceX Demo-2 mission

I've read that the duration of the current SpaceX demo mission to the ISS and back is highly variable. It was originally estimated they could be on-board the ISS from 1 to 4 months, and currently ...
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Was this printer shown the ISS in 2015 built specially to work in microgravity?

The question Printer on board of the ISS? was answered in the affirmative. This seems to be a printer with a special paper cassette on "top" to feed the paper, since gravity feed is not going to work. ...
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What typically gets sent to the ISS?

I'm working on a project that aims to understand what is needed to live in space. I understand the basic concepts and vital items needed, but I'd love to see a direct example of what is already being ...
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Did all of the Space Shuttles dock with multiple space stations or crewed spacecraft?

For example, the Space Shuttle Endeavour did dock with both MIR (bringing apple seeds) and the ISS. Did all of the shuttles dock with more than one space station and/or crewed spacecraft? above: ...
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What is it like for ISS astronauts to re-adjust to the Earth's gravity?

ISS expeditions last up to half a year, as long as a flight to or from Mars would last. Here I answered to a question dealing with the adaptation of Martian visitors from microgravity to Martian 0.38 ...
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Effects On ISS Orbital Mechanics Resulting From Added Mass Of Dragon Capsule Visit

Does the ISS require any type of orbital mechanics management once the Dragon capsule was confirmed with a positive airlock seal, and the mass of the spacecraft, 2 additional astronauts, and supplies ...
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Can astronauts on an EVA communicate directly with ground stations?

Can astronauts/cosmonauts performing spacewalks at the International Space Station communicate directly with radio stations on the ground (even if only as a back-up)? Or do they need to relay their ...
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How (the heck) do you replace a space station window in orbit?

The eoPortal document Cupola Observation Module of the ISS found in @Dragongeek's answer to What are the two orange tabs stuck on opposite edges of each window of the ISS cupola? has some interesting ...
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Do non-American space travellers train on Dragon capsule as well?

Soyuz is a spacecraft which still uses technologies from soviet era. The Dragon capsule is state of the art with its electronic upgrades. With Russia and US sharing the International Space Station ...
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What caused this bright light from the ground at night seen from the ISS?

The music video on the NASA Johnson YouTube channel The Sound (& Visions) of Silence shows images and video of Earth taken from the ISS by astronauts Sergey Ryazanskiy, Paolo Nespoli, and ...
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How do Space Ships dock themselves so flawlessly to the ISS?

Use of sensors and lasers seems obvious, but what all goes into the system that achieves this? What does the process entail? Example includes SpaceX's recent autonomous docking to ISS of Crew Dragon.
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Is there a realistic looking ISS scale model available somewhere?

I'm looking for a serious, realistic looking scale model of the International Space Station to build at home. Even better, if it would include some electronics. I'm open to free or commercial ...
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What happened during this shuttle simulation malfunction involving a failure of a shuttle arm joint while moving the JEF?

This author (cough) begins to relate the details of a particular training incident during simulations for STS-127. However, they very sadly have not finished the tale. Does anybody (cough cough) know ...
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Do crew movements or movement of other objects ever affect space or Earth observation experiments staged on the outside of ISS?

The ISS serves as a platform for both Earth and astronomical observational instrumentation. Do routine movements of the crew or other objects ever cause problems for these observations through ...
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What is the specified procedure to follow if there is a fail to create an airtight seal during hard dock?

I was watching the docking process of Dragon to the ISS including both the "soft dock" process, which was then followed by the hard dock involving 2 sets of 6 locking mechanisms. I believe I'm ...
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Why is the Pressurized Mating Adapter slanted?

There are three of these on the ISS. One connects the Russian modules to the rest. One was used for docking the shuttles. One... kinda just sits there, with modules that were to be berthed canceled. (...
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How do we use Fire Extinguishers to Control Fire in the Space Station?

In this NASA Webpage for Fire Prevention in Space, it is given that If a fire were to occur on the ISS, the astronauts would become firemen and follow a three-step response system. First, they would ...
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Why does opening the Crew Dragon hatch take so long?

What procedures are followed during opening of the hatches of both ISS and Crew Dragon, and why does it take so long?
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What is this diagram shown during Dragon docking with the ISS?

While docking with the ISS, the live stream showed this diagram with a green line starting at the capsule and looping around the area of the ISS. It would sporadically change and loop around the ...
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Do astronauts on the ISS ever secure unpressurized cargo with an EVA to then be brought inside through an airlock?

Spacex's Dragon and JAXA's HTV are currently the only vehicles that can bring unpressurized cargo in addition to the pressurized one inside the vehicle. In the odd event that the ISS urgently needs ...
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Can you buy land (while) in space?

The question Can you buy land on the moon? does not ask about being on the Moon and purchasing land on Earth, so I thought I'd ask here instead. Can astronauts in space buy and sell property on Earth ...
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Do the ISS docking ports require maintenance?

Is it neccessary to maintain the docking ports of the ISS? Inspection, cleaning, lubrication, replacement of worn out parts like O-ring seals? Where are the seals, on both sides or only at the ...

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