| Year | Event | % Correct |
|---|---|---|
| 52,000 | {Niagara} Falls, which recedes about 1 foot per year, will completely erode away. | 100%
|
| 26,000 | The area immediately around the {Chernobyl} Nuclear Power Plant in Eastern Europe will be safe for human habitation. | 100%
|
| 2084 | The world {population} will peak at 10.3 billion, according to UN estimates. | 100%
|
| 3 million | A day on Earth will be one {minute} longer than it is today. | 96%
|
| 100–300 million | The rings of {Saturn} will begin to disappear due to the planet's gravity. | 96%
|
| 2061 | {Halley's} Comet will be visible for the first time since 1986. | 91%
|
| 2030 | After 32 years of operation, NASA will decommission the {International} {Space} {Station}. | 87%
|
| 2050 | {Nigeria} will surpass the U.S. to become the world's third most-populous country. | 74%
|
| 2032 | {Brisbane} will become the third city "down under" to host the Summer Olympics. | 70%
|
| 4–5 billion | The {Andromeda} galaxy will either pass very close by or combine with the Milky Way. | 61%
|
| 250,000 | A new {Hawaiian} island will form from a volcano currently located 3,200 ft below sea level. | 52%
|
| 30–50 million | The Martian moon {Phobos} will be torn apart, potentially forming a ring around the planet. | 52%
|
| <100,000 | The red supergiant star {Betelgeuse}, located 642.5 light years away, will go supernova. | 52%
|
| 5 billion | Once the hydrogen in the Sun's core is depleted, it will begin its {red} {giant} phase. | 43%
|
| 50 billion | Assuming the Earth-Moon system still exists, the Earth will become {tidally} locked to the Moon. | 39%
|
| 500–900 million | Carbon dioxide levels in the atmosphere will have dropped. C3 and later C4 {photosynthesis} will then become impossible, leading to all plant life dying out. | 30%
|
| 200–300 million | A new {supercontinent} is likely to form on Earth, leading to another mass extinction. | 26%
|
| 10 million | The {East} {African} Rift will stretch out enough for the Indian Ocean to begin flooding into it, causing the continent to split into two. | 26%
|
| 600,000 | The {Toba} supervolcano, which almost caused the extinction of humanity 75,000 years ago, is expected to erupt again. | 26%
|
| 1–1.5 billion | Due to the increasing {luminosity} of the Sun, a runaway greenhouse effect will trigger the boiling-away of Earth's oceans. | 17%
|