space-time articles
What happens to space-time when cosmic objects collide?
The universe is not composed of static objects existing on an empty stage; rather, space and time are woven together int...
What kind of radiation comes from space?
The environment beyond Earth's atmosphere is fundamentally energetic, saturated with various forms of high-speed particl...
Does NASA only study space?
The common image of the National Aeronautics and Space Administration (NASA) is often one of rockets blasting off toward...
Is NASA only about space?
The immediate association for many people upon hearing the name NASA is rockets punching through the atmosphere, boots o...
When was the last time ATLAS was visible?
The most recent window of high visibility for the interstellar visitor Comet 3I/ATLAS centered on its closest approach t...
What is the mysterious bacteria on the Chinese space station?
The appearance of previously unknown microbial life on the exterior surfaces of China's Tiangong space station has spark...
What do NASA astronauts do when not in space?
The life of an astronaut seems perpetually defined by the view from orbit—the science experiments, the spacewalks, and t...
What is the real color of space?
The perception of the cosmos often defaults to an absolute, featureless black, a vacuum devoid of light. While this may ...
What is the best time to view the Geminid meteor shower tonight?
The ideal window for catching the most brilliant streaks of the Geminid meteor shower centers around the darkest hours, ...
Can you grow lettuce in space?
Cultivating leafy greens hundreds of miles above the Earth’s surface is no longer confined to science fiction novels; it...
What space company pays the most?
The aerospace industry buzzes with excitement, driven by both established giants and aggressive newcomers pushing the bo...
What are the disadvantages of space telescopes?
The simple truth about placing multi-billion-dollar scientific instruments high above the protective blanket of our atmo...
How do people get back to Earth from space?
The trip back from orbit is not a gentle float down; it is a violent, high-speed plunge requiring precise navigation to ...
Who services and maintains the Hubble Space Telescope?
The longevity of the Hubble Space Telescope (HST), now over three decades into its operational life, is a testament not ...
Which space shuttle flew the most times?
The question of which NASA Space Shuttle orbiter accumulated the highest number of journeys into orbit is easily answere...
What units are used in space?
Measuring the cosmos requires a different kind of yardstick than the one we use to measure a room or drive across a stat...
What's the point of astronauts going to space?
Astronauts venture beyond Earth’s atmosphere not simply for the spectacle of a launch or planting a flag, but because th...
Why isn't China part of the International Space Station?
The International Space Station (ISS) stands as one of humanity’s most ambitious cooperative engineering feats, a perman...
Can China access the International Space Station?
The presence of China aboard the International Space Station (ISS) is a subject often discussed in global policy circles...
What is the Chinese space capsule called?
When discussing China's presence in low Earth orbit, many people picture the large, multi-module structure orbiting abov...
Can China use the International Space Station?
The question of accessing the International Space Station (ISS) for Chinese astronauts is firmly answered by current US ...
What is one of the primary sources of space debris?
The accumulation of defunct human-made objects orbiting our planet represents an escalating hazard to every active satel...
What is the rock thing in space?
When we talk about a "rock thing in space," we are usually referring to any small celestial body orbiting the Sun that i...
What is a rock that falls from space?
The object that completes its fiery voyage from the vacuum of space to the surface of our planet has several names depen...