Like in your home, all of the onboard systems of the ISS require electrical power. Eight large solar arrays provide electrical power from the sun. Each array is 240 feet (73 meter) long and — cumulatively-spea
These objects generally circle from north to south, over Earth's poles, and take about 12 hours to make one complete trip. Polar-orbiting satellites also pass over the planet's poles on each revolution, although their orbits are far less elliptical. The polar orbit remains fixed in space as...
How fast you need to move to keep in a circular orbit around another body is dictated by how far the two bodies are separated from each other. Planets closer to the Sun are orbiting faster than Earth, with Mercury traveling 1.6 times faster than Earth at 105,000mph(47.4km/s). At the ...
moon and object tracking, though I didn't use it for long. DwarfLab added Auto-Capture Mode about a week after I began testing. It's essentially a video mode that always uses tracking for birds or "UFOs" for moving light in the night sky. I like that you can quickly set u...
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Learning how to photograph the moon is a gateway niche to astrophotography. It's easy to do and doesn't require as much equipment as star or Milkyway photography.
As humanity looks towards expanding activity from low Earth orbit to the Moon and beyond, resource use efficiency and self-sustainability will be critical to ensuring success in the long term. Furthermore, solutions developed for the stringent requirements of space will be equally valuable in meeting...
With each option, however, there’s one more thing to bring along — a towel. An ultra-absorbent, non-abrasive towel such as microfiber works best (you can often find them in the car care section), but you’ll need to bring along something to wipe the front of the lens and the sid...
Although the vast majority of the food available on the ISS comes from a standard set of 200 food and beverage items -- with much of it sent to the space station long before new astronauts arrive -- each astronaut gets to pick a small set of "bonus containers" of special food. By sma...
(10 ohms), which gives you 3 amps. Finally, you can find the voltage drop by plugging in the current and resistance of each resistor into the Ohm's law equation, which gives you 12 volts for resistor one and 18 volts for resistor two. If you do the math correctly, the sum of the...