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Astronomy Events That Will Never Happen Again In Our Lifetimes
Sci-Tech Daily

Detection of a Gamma-Ray Burst from a Nearby Source

To put it simply, GRBs are short-lived bursts of gamma-ray light. These energetic events are unpredictable and occur randomly in distant galaxies. They typically last a few milliseconds to several minutes and are hundreds of times brighter than your typical Supernova.

According to GFSC, “Evidence from recent satellites like Swift and Fermi indicate that the energy behind a gamma-ray burst comes from the collapse of matter into a black hole.” Unfortunately, seeing matter disappear into a black hole isn’t something that happens every day (Imagine).

Astronomy Events That Will Never Happen Again In Our Lifetimes
Many Worlds

Close Approach of a Rogue Planet to our Solar System

While unlikely, a close encounter with a rogue planet would be a rare and significant event. It’s way more likely we’d see a comet or asteroid come close to our planet than a random, rogue planet. This is because the closest planet is light-years away. As Many Worlds writes, ” The nearest rogue planet to our Earth is WISE-0855-0714. It was discovered in 2014 and is approximately 7.2 light-years away from us.” Simply put, this means that the planet isn’t coming near us anytime soon, though it is spectacular that one planet is not too far away from us now.

NASA’s Nancy Grace Roman Telescope is observing rogue planets. According to Naoki Koshimoto, author of a study regarding rogue planets, “Roman will be sensitive to even lower-mass rogue planets since it will observe from space. The combination of Roman’s wide view and sharp vision will allow us to study the objects it finds in more detail than we can do using only ground-based telescopes, which is a thrilling prospect.” It would be a miracle to have these findings during our lifetime (Many Worlds).

Astronomy Events That Will Never Happen Again In Our Lifetimes

A Ninety-Degree Arc

In 2492, we might see a ninety-degree arch or all eight planets in our Solar System. Belgian astronomer Jean Meeus predicts that the orbits of all eight planets and Pluto will be within the same 90° arc of the Solar System. Even though this has not happened during our lifetime, it’s something that could happen in the future.

It has been thousands of years since this occurred. The last time this is believed to have occurred was on February 1, 949. Unfortunately, we won’t be alive for this 25th-century alignment, so we can only predict this will happen. At the very least, imagining this alignment is spectacular (Wiki).

Astronomy Events That Will Never Happen Again In Our Lifetimes

A Total Solar Eclipse in Australia

In July 2028, which is only four years from now, a total solar eclipse will be visible across Australia. This includes the city of Sydney. New Zealand will also see the eclipse. This event is spectacular because Sydney will not see another total solar eclipse until June 3, 2858. If you’re going to be in Australia in four years, you mustn’t miss this event, since it will be the only one in your lifetime.

Australia has seen several eclipses within 15 years, making it a very lucky country. According to Forbes, “Sure, it’s a vast place—the planet’s sixth largest country—but to have five of nature’s greatest events on show in the same country is a rare thing indeed.” That makes this solar eclipse an even rarer one than normal (Forbes).

Astronomy Events That Will Never Happen Again In Our Lifetimes
In the Sky

Leap Day Full Moon

Once a century, we see a full moon on the leap day in February, on the 29th. In 2048, there will be a rare full moon on a leap day; this event happens roughly once every century. The next full moon on a leap day will not occur until February 29, 2124.

According to NBCDFW, “In 2048, a very rare February full Moon occurrence will happen – when the full Moon occurs on Leap Day, February 29th. The timing of this one day every four years coincides so infrequently with the lunar phase cycle that there will only be four Leap Day full Moons this millennium, with 2048 being the first. The other three Leap Day February full Moons will occur in 2132, 2216, and 2376.” This is quite a once-in-a-lifetime experience, so it’s important to make this day a special one (NBCDFW).

Astronomy Events That Will Never Happen Again In Our Lifetimes
Sky & Telescope

Two Solar Eclipses in One Year

Get ready for the year 2057, because this year we will see an incredibly rare occurrence. This is when two solar eclipses in a single calendar year will occur, on January 5th and December 26th. The last time this occurred was well before our time, in 1889. The next time it will occur is 2252.

The year 2057 will also see two lunar eclipses, so it’s best to get your calendar out and start planning these astronomical events. According to Time, this solar eclipse will occur on “January 5, 2057 in the Southern Atlantic, Southern Indian,” and on “December 26, 2057 in Antarctica.” Though it’s unlikely we’ll see the solar eclipse from Antarctica, watching it early on in the year from Southern India is certainly doable. Further down the line, on April 30, 2060, there will be a total Solar Eclipse in the “Ivory Coast, Ghana, Togo, Benin, Nigeria, Niger, Chad, Libya, Egypt, Turkey, Kazakhstan, Russia.” These predictions are based on the sun’s seasonal arc-like path (Time).