Buzz
Space exploration is an exciting journey. The mysteries it holds have always intrigued humanity, and the future revelations will only expand our vast understanding of the cosmos. However, consider this list as a warning for those brave enough to traverse the stars. The universe can be a truly terrifying place. Let’s hope no one ever ends up trapped on any of these ten dreadful worlds.
10. Carbon Planet
Earth maintains a significantly higher ratio of oxygen to carbon, with carbon accounting for only about 0.1 percent of the planet's mass (which is why carbon-based materials like diamonds and fossil fuels are so rare). But in the center of our galaxy, where carbon outweighs oxygen, the formation of planets is vastly different. This is where what cosmologists call 'carbon planets' are found. On one of these worlds, the sky would be anything but a clear blue. Instead, it would be shrouded in a yellowish fog with clouds of black soot. As you venture deeper into the atmosphere, you'd encounter seas made of tar and crude oil. The planet's surface is dotted with noxious methane pits and thick, black sludge. The weather is equally uninviting: gasoline and asphalt rainstorms (best not to light up). However, there is a silver lining to this grim world. Where carbon is abundant, you also find vast quantities of diamonds.
9. Neptune
On Neptune, powerful jet stream winds constantly rage across the planet at terrifying speeds. These winds push frozen clouds of natural gas past the northern edge of Neptune's Great Dark Spot, an Earth-sized storm, at an astonishing 1,500 miles per hour—more than twice the speed of sound. Such extreme wind forces are far beyond what any human could endure. Anyone unfortunate enough to be on Neptune would likely be torn apart and lost forever in these relentless, violent winds. The source of the energy driving the fastest planetary winds in the solar system remains a mystery, despite Neptune’s location so far from the Sun—sometimes farther than Pluto—and its relatively weak internal heat.
8. 51 Pegasi b
Known as Bellerophon, after the legendary Greek hero who tamed the winged Pegasus, this gas giant is over 150 times the mass of Earth and primarily consists of hydrogen and helium. The issue, however, is that Bellerophon is scorched by its star, reaching temperatures over 1800°F (1000°C). Its star is more than 100 times closer to it than the Sun is to Earth. As a result, the planet experiences powerful winds due to the intense heat, where hot air rises and cooler air rushes down to replace it, creating winds reaching speeds of 1000 km/h. The heat prevents the existence of water vapor, but that doesn't mean there is no precipitation. Bellerophon’s unique feature is that the heat vaporizes its iron, forming iron vapor clouds akin to water vapor clouds on Earth. These clouds then cause a continual rain of molten iron, so don't forget your umbrella.
7. COROT exo-3b
The most dense and massive exoplanet discovered so far is COROT-exo-3b. It’s about the size of Jupiter, but with 20 times its mass, making it twice as dense as lead. The immense pressure on the surface would be unbearable for a human. With 20 times Jupiter’s mass, a person would weigh nearly 50 times their Earth weight. For example, a 180-pound person would weigh 9000 pounds on COROT-exo-3b, which would crush their skeletal system instantly. It would feel like having an elephant sitting on your chest.
6. Mars
On Mars, dust storms can develop rapidly, sometimes forming within hours and enveloping the entire planet within a matter of days. These storms are the largest and most powerful in the solar system. Martian dust vortices can rise to the height of Mount Everest, with winds reaching speeds of over 300 kilometers per hour. After forming, these storms can persist for months before dissipating completely. Hellas Basin, the deepest impact crater in the Solar System, lies at the heart of one of these storms. At the bottom of the basin, temperatures can be up to 10 degrees warmer than on the surface, and the basin is densely filled with dust. The temperature difference fuels wind that lifts the dust, and from there, the storm spreads out from the basin.
5. WASP-12b
Simply put, WASP-12b is the hottest planet ever discovered. With temperatures reaching around 4,000°F (2,200°C), it orbits its star closer than any other known planet. In such extreme conditions, anything, including human beings, would be incinerated instantly. To put this in perspective, the surface of WASP-12b is about half as hot as the surface of the Sun and twice as hot as molten lava. Its orbit is incredibly fast, completing one full revolution around its star every Earth day, at a distance of only about 2 million miles (3.4 million km).
4. Jupiter
Jupiter’s atmosphere is home to storms that are twice the size of Earth. These massive tempests generate winds that can reach 400 mph, accompanied by lightning strikes that are 100 times more intense than those on Earth. Beneath the tumultuous and ominous atmosphere lies a 25,000-mile-deep ocean of liquid metallic hydrogen. On Earth, hydrogen is a colorless, transparent gas, but under Jupiter's immense pressure, it transforms into something entirely unfamiliar. In the outer layers of Jupiter, hydrogen behaves like a gas, but as you descend deeper, the pressure increases exponentially. Eventually, it becomes so intense that the electrons are forced out of the hydrogen atoms, turning the gas into a liquid metal. This metallic hydrogen is not only an excellent conductor of electricity and heat, but it also reflects light like a mirror. If you were submerged in this ocean and struck by one of Jupiter’s violent lightning bolts, you would find yourself surrounded by complete darkness.
3. Venus
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Note: Portions of this list have been redacted because they were found to be plagiarized.
2. CoRoT-7b
The temperatures on the star-facing side of CoRoT-7b are so extreme that they are capable of vaporizing rock. Atmospheric models created by scientists suggest that this planet likely lacks volatile gases such as carbon dioxide, water vapor, and nitrogen. Instead, its atmosphere could consist of what might be called vaporized rock. CoRoT-7b’s weather systems could be vastly different from Earth’s, as the intense heat causes pebbles to condense from the air and rain rocks down onto the planet’s molten lava surface. If this doesn’t already sound unwelcoming to life, it is also believed to be a potential volcanic hellscape.
1. Pluto
(Note: Pluto is technically no longer classified as a planet). Don’t be misled by the image; this is not a magical winter landscape. Pluto is an extremely frigid world, where its surface is covered in frozen nitrogen, carbon monoxide, and methane, resembling snow for much of its 248-year orbit. The ices have taken on a pinkish-brown hue due to exposure to gamma rays from distant stars and the Sun. On a bright day, the Sun’s warmth and light are comparable to the glow of a full moon on Earth. With temperatures ranging from -378 to -396°F (-228 to -238°C), stepping onto Pluto would cause your body to freeze instantly.
