Space Stuff That’s Totally Weird and Might Freak You Out a Bit

Back in ’84, this guy Bruce McCandless II basically turned himself into a one-man spaceship. He popped on a jetpack with tiny thrusters and floated 320 feet away from his shuttle. Alone, in the dark, zooming around Earth at crazy speed. His crewmates snapped a pic, and bam! Space history was made. He even joked about it being a "heck of a big leap" for him. The jetpack only showed up for three trips before getting retired. Now it’s chilling in a museum.

The Milky Way (that's our galaxy) plus its nearby pals are zooming through space at a mind-boggling speed - over a million miles per hour! Something huge and spooky called the Great Attractor is dragging them along, but guess what? We still don’t really know what that thing is. It’s hiding behind a cosmic curtain of dust and stars, playing hard to get.

So, the universe is 13.8 billion years old, right? But the space we can see? It’s about 93 billion light-years across! Mind blown. How? Well, space itself has been stretching and stretching while the light was making its way to us. So those far-away things are way farther now than they were when their light started traveling.

If you think stars, planets, and even us are the whole show, surprise! That’s only about 5% of all the universe’s mass and energy. The rest? It’s this wild invisible stuff called dark matter (27%) and an even weirder thing called dark energy (68%). Scientists don’t really have a clue what these are yet, so mystery party!

On August 15, 1977, a radio telescope picked up a crazy strong signal from space that lasted 72 seconds. An astronomer circled it on a printout and wrote “Wow!” - and that name stuck. Nobody’s heard it again since. Scientists think it might’ve been a magnetar flare lighting up hydrogen gas, but really, it’s still one big space mystery.

If you fell into a small black hole, the gravity difference between your feet and head would be bonkers - like a 2-billion-times-stronger pull! You’d get stretched out so thin, like cosmic spaghetti. So not fun. Funny thing is, giant black holes are a bit nicer and wouldn’t stretch you. But once you pass their edge, that’s a one-way trip out of the universe’s VIP club.

Forget Utah rock spires - that peak in the pic? It’s from Io, Jupiter’s volcanic, crazy moon. NASA’s Juno spacecraft spotted it casting a huge shadow. It’s about 3 to 4 miles tall, which sounds big but Io actually has mountains twice as tall as Everest! Plus, it’s got hundreds of volcanoes going wild, making it the party animal of the solar system.

Remember when your old TV showed that annoying snow? 1% of it actually came from the universe’s afterglow, called the cosmic microwave background. It’s light from just 380,000 years after the Big Bang - like the universe’s baby pics. In ’64, some scientists found this weird static and thought pigeons were messing things up. Nope, they’d accidentally discovered the sound of the universe’s birth. Nobel Prize, anyone?

Turns out black holes can be DJs too! The giant black hole in the Perseus cluster has been sending out pressure waves that, if you could hear them, would be a super low B-flat note - 57 octaves below middle C. In 2022, NASA made it audible and people described it as “cosmic horror.” So yeah, space has its own creepy soundtrack.

When a big star collapses, it sometimes leaves behind a neutron star - basically a cosmic heavyweight champion packed into a tiny city-sized ball. Now, imagine a sugar cube of that stuff. On Earth, it would weigh a billion tons. Yep, a single sugar cube heavier than an entire mountain. No way you’re trying to sneak that into your coffee!

This neutron star, named PSR J1748-2446ad, is spinning so fast it practically breaks the rules. It whirls around 716 times every second – that’s about 43,000 spins a minute. Its surface zooms at 24% the speed of light! Talk about a stellar ballerina showing off.