Why Space Distances Will Forever Baffle Your Mind

<p>Imagine light is made of tiny, super-fast cars. Each color (red, orange, yellow...) is a different model. Astronomers have this fancy tool called a spectroscope that acts like a space traffic cam, snapping pics of these light-cars as they zoom by.</p> <p>Now, here&rsquo;s the weird part:</p> <p><strong>Stars Going Too Fast</strong> &mdash; When a star whooshes TOWARDS us, the light-cars get squished together, making them look more blue. Scientists call that a &quot;blueshift.&quot; Think of it like a Doppler radar for stars.</p> <p><strong>Stars Taking It Slow</strong> &mdash; When a star&rsquo;s cruising AWAY, those light-cars get stretched out, looking more red. That&rsquo;s a &quot;redshift,&quot; and it tells astronomers how far away that star is.</p> <p><a href="https://medium.com/@stuffexplainedbadly/why-space-distances-will-forever-baffle-your-mind-65df0e3ba285"><strong>Learn More</strong></a></p> <p>&nbsp;</p>