15 Strange Things About Outer Space

1. Quasars

These mysterious starlike objects shine from the outermost limits of the universe, helping scientists learn about the earliest stages of existence. We’ve since learned that a quasar is actually a black hole at the center of a huge, distant galaxy. Perhaps more interesting, quasars give off 1,000 times more energy than the entire Milky Way galaxy. [via koldcast]

2. Lightweight Planets

You may have learned that some planets in the solar system are gaseous, but did you know that Saturn, that blinged-out planet with all the rings, could float in water? The planet’s density is 0.687 g/cm3 versus water’s density of .998 g/cm3. So Saturn would make an awesome rubber ducky in the universe’s largest bathtub. If only we had a prodigal billionaire to help make that happen. Paging Richard Branson?

3. Liquids in Space

Here on Earth, liquids tend to flow downward. But in the zero-gravity vacuum of space, any liquid will shape itself into a sphere. It is surface tension, the same phenomenon that causes water to form as a horizontal surface on Earth, that causes liquids to form spheres in space. Maybe frat guys should start paying attention to this stuff. No doubt they could convince alumni benefactors to send a crew of bro-stronauts up to research a new generation of drinking games.

4. Goodbye, Moon

Tidal effects cause the moon to move about 3.8 cm away from Earth every year. It’s a process called tidal acceleration, the aggregate of competing gravitational forces between a planet and its satellite. As a result, the Earth’s rotation is slightly slowing down at about .002 seconds a day, and the moon has been slowly inching away in hot pursuit of our hot sister, Venus.

5. Old Light

Believe it or not, the sunlight we see today is actually 30,000 years old. That’s when the energy of sunlight was created in the sun’s core, and it has since then been fighting to penetrate the dense matter of the sun. Once it reaches the surface, the light takes only about eight minutes to reach us. Scientists have confirmed that, due to its age, sunlight does in fact smell like old people. More specifically, like Magda from There’s Something About Mary.

6. Extra Moons?

In 1986, a scientist named Duncan Waldron discovered an asteroid in elliptical orbit around the sun that seemed to mimic Earth’s revolution. Because the asteroid appeared to be following our planet, it was sometimes referred to as Earth’s second moon. Since then, at least three similar asteroids have been discovered. Most recently, the Earth and the moon went on “Maury” to discover that, as suspected, Earth is the father of those asteroids.

7. Cold Welding

In space, touching two uncoated pieces of metal will instantly fuse them together. The Earth’s atmosphere coats metallic surfaces with a layer of oxidized material, but in the vacuum of space, no such layer exists. Fortunately, NASA figured this out before building its space shuttles, so the metal they use is coated to prevent the reaction. So what’s the practical application of such a phenomenon? Best. Erector set. Ever.

8. Extra Inches

All human beings are about two inches taller in space. On Earth, gravity compresses the spine, but in the vacuum of space, the spring-like spine is free to elongate. Short astronauts are thus more confident pick-up artists when floating around in space. The bad news? Back on Earth, they shrink back down to normal height. Also, girls get taller in space, too.

9. Diamond Star

In 2004, astronomers discovered a star composed entirely of diamond, measuring 4,000 km across and 10 billion trillion trillion carats. 50 light years from Earth, the diamond star is classified as a crystallized white dwarf, the hot core that remains after a star burns out. Only recently have scientists been able to study the contents of the white dwarf, and they’ve confirmed that the crystallized carbon interior of the star is, in fact, the galaxy’s largest diamond. In other news, Elizabeth Taylor is studying to become an astronaut.

10. Shrinking Sun

Solar winds are streams of charged particles ejected from the upper atmosphere of the sun that cause it to lose up to a billion kilograms of mass a second. For such an extreme dieting regimen, the sun still looks pretty damn enormous.

11. Lasting Footprints

Due to the absence of air and wind on the moon, all astronaut footprints last for millions of years, longer than the most permanent structures on Earth. As long as a meteor or any other space particle does not hit the moon, any impressions made into its surface will virtually last forever. Just imagine all the penis doodles the moon would wake up with if the aforementioned frat-boy excursion were to go down.

12. Electrostatic Levitation

During the first Apollo missions, astronauts reported a hazy glow on the moon’s horizon that looked a little like an atmosphere. This was weird since, well, the moon doesn’t have an atmosphere. The glow was actually the sun’s reflection of floating dust particles. Because the sunlight gives an electrostatic charge to dust particles on the moon, some particles float in the air, a process known as electrostatic levitation. It’s just a matter of time until Criss Angel claims the phenomenon as proof of his supernatural powers.

13. Long Day

Amazingly, a single day on Venus is longer than its entire year. It takes Venus 243 Earth days to completely rotate on its axis, but just 225 days to orbit the sun. Stranger still, Venus is one of two planets that rotates in reverse, a phenomenon called retrograde motion. Most theories attribute the reverse rotation to an ancient planetary collision. That’s what happens when you make fun of Pluto’s mom.

14. Milky Way Satellites

Planets in the solar system aren’t the only celestial bodies with satellites in orbit. The Milky Way galaxy itself has at least 15 satellite galaxies in orbit around it. Just as the moon is gravitationally bound to the Earth, these satellite galaxies are gravitationally bound to the Milky Way, which lovingly refers to them as “ma’ bitches.”

15. Cold Steel

On the former planet Pluto (now designated a dwarf planet), the temperature is a brisk 390 degrees Fahrenheit. Expectedly, temperatures become progressively colder as you move away from the sun, and Pluto is about as far as you can get within our solar system. In fact, it is so cold that Pluto’s ice is harder than steel. Needless to say, your nipples can cut glass on Pluto.

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