Tag
interstellar travel
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How Long Would It Take to Travel a Light Year? The Science Behind Cosmic Distances
The numbers alone are staggering. NASA’s Parker Solar Probe , the fastest human-made object, reaches 700,000 km/h—yet it would still take over 1,300 years to...
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The Cosmic Count: How Many Planets Are There in the Universe—and What We Still Don’t Know
The first exoplanet, a Jupiter-sized world circling a pulsar, was confirmed in 1992. By 2024, astronomers have cataloged over 5,600 confirmed exoplanets , with...