Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Astronauts reduce radiation exposure through mission and spacecraft design, monitoring, storm shelters, operational procedures, and limits on cumulative dose. No single material or device eliminates the risk: sheltering can help during solar particle events, but galactic cosmic rays are harder to block and can create secondary radiation when they strike spacecraft materials.
What radiation are astronauts trying to reduce?
Space radiation is not one uniform hazard. The main sources are galactic cosmic rays (GCRs), solar particle events (SPEs) associated with solar activity, and trapped radiation in planetary magnetic environments. The mix and intensity depend on where a crew is traveling and operating; low Earth orbit, cis-lunar space, and a planetary surface do not have identical radiation environments. NASA’s overview of the space-radiation hazard describes both the sources and the associated health concerns.
The distinction matters because protection is not equally effective against every source. An SPE can produce an acute exposure that crews may be able to reduce by sheltering. GCR exposure is a more persistent challenge: these energetic particles can penetrate spacecraft materials, and collisions with shielding can produce secondary particles. Simply adding more metal is therefore not a universal solution. NASA explains the different shielding challenges.
How do mission planners reduce exposure?
Design around the radiation environment
Exposure planning begins with the mission’s location, route, duration, and expected radiation conditions, as well as the protection provided by the vehicle or habitat. NASA’s Space Radiation Analysis Group (SRAG) uses analysis and operational tools to estimate exposure and support crew-safety decisions. A dose figure from one mission or orbit should not be treated as a prediction for every astronaut or flight. NASA’s SRAG protection overview describes the factors that shape exposure and the group’s role.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Spacecraft and habitat designers can arrange structure, supplies, and other materials to put more shielding between a crew and radiation. The design must account for the type of radiation, mission constraints, and the possibility of secondary particles. It is an engineered system decision, not a matter of choosing a single supposedly radiation-proof material. NASA’s technical brief on ionizing-radiation protection discusses source differences and countermeasures.
Build a more shielded shelter for solar events
Vehicles and habitats can designate an area where the crew can gather during an SPE, using available structure, equipment, and supplies to provide additional shielding. The shelter is intended to reduce exposure during an event; it does not remove all radiation risk or solve the continuing GCR problem. NASA’s discussion of solar-event sheltering and GCRs outlines this distinction.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
How do monitoring and procedures help?
Track the environment and the crew’s dose
Radiation monitoring and crew dosimetry answer related but different questions. Space-environment monitoring helps identify conditions that may require a response; a dosimeter measures the radiation dose received by a person or at a location. Neither device shields the wearer. NASA’s SRAG supports flight operations with environmental monitoring and analysis, while crew dosimeters help assess dose. NASA’s space-radiation overview describes monitoring and dosimetry.
Respond to alerts and limit time in exposed settings
When conditions indicate an SPE, mission teams can alert the crew and direct them to a more shielded area. For exploration missions, planners can also account for time outside a spacecraft or habitat, including the timing of spacewalks and other activities. Mars mission planning considers returning indoors promptly if a radiation storm occurs. These are coordinated mission procedures based on monitoring and planning—not improvised personal tactics. NASA’s Mars radiation-protection article describes sheltering and time-outside considerations.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What dose limits and shielding requirements does NASA use?
NASA’s requirements manage exposure; they are not a declaration that exposure below a limit is harmless. NASA-STD-3001 says crewmember radiation exposures must be minimized using the ALARA principle—“as low as reasonably achievable”—within mission design constraints. The standard sets the following requirements and design references:
| NASA requirement or design reference | What it means |
|---|---|
| Career effective dose: less than 600 mSv | NASA-STD-3001’s limit for an individual crewmember’s total career effective dose from spaceflight radiation. This is a requirement, not a prediction of an astronaut’s actual dose. |
| Design-reference SPE: less than 250 mSv effective dose per event | The standard’s requirement for protection against its design-reference solar particle event. It does not mean every event produces this dose. |
| 20 cm (or g/cm²) water-equivalent shielding surrounding the crewmember | A design reference for missions beyond low Earth orbit lasting more than six months. NASA specifies integrated vehicle or reconfigurable shielding, which may include personal protective equipment; it is not a universal do-it-yourself prescription. |
These values come from NASA’s NASA-STD-3001, Volume 1. NASA’s vehicle systems and environmental design reference also summarizes the dose limits. They describe NASA requirements and design references, not a guarantee of zero risk.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
What protection cannot yet guarantee
NASA identifies cancer and possible central nervous system, cognitive, motor, behavioral, and acute effects among the concerns associated with space radiation. It also says that current knowledge is insufficient to recommend exposure limits and design requirements for long-duration missions. That uncertainty matters most for missions that extend well beyond low Earth orbit: current controls reduce or manage exposure, but do not establish that long-duration deep-space travel is risk-free. See NASA’s space-radiation hazard overview and Human Spaceflight Hazards resource.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
