The Bachelor 。got a little spacey on Monday night. 
。

Bachelor Nick Viall and contestant Vanessa Grimaldi, a special education teacher from Montreal, took a flight aboard a plane that designed to simulate the feeling of weightlessness you get in space.。

All in all, it's a pretty nerdy outing for a show that once sent a contestant on a。 All in all, it's a pretty nerdy outing for a show that once sent a contestant on a。Cinderella。 date. Clearly 。The Bachelor 。

contains multitudes.。

SEE ALSO:Life and leisure aboard Skylab, NASA's 1970s space station
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"I knew that something like this did exist, but I thought it was only for the astronauts to practice on, so today, I am an astronaut," Grimaldi charmingly said before boarding the plane.。

The two lovebirds flew aboard the Zero Gravity Corporation's G-Force One plane, a modified Boeing 727 with most of its seats removed and padding lining the interior of the plane.。

Via Giphy
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Via Giphy。

Here's how it works: 。

The plane flies in a series of parabolic arcs that create about 30 seconds of weightlessness every time the 727 is on the downslope of the parabola. You can think of it as a roller coaster without the rails 24,000 feet to 32,000 feet up in the sky.。During those weightless 30 seconds, passengers can get up, jump around and do flips to feel what it would be like to be onboard the International Space Station or any other spacecraft in orbit. 。Mashable Light SpeedWant more out-of-this world tech, space and science stories?

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When the plane is on the upswing of the parabola, passengers can't do much of anything.。

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Viall and Grimaldi had to lie down on their backs as twice the weight of Earth's gravity bore down upon them while the plane headed toward the top of the arc at a 45-degree angle. 。

Flights usually last for about 15 parabolas total.。

For the most part, a flight on a Zero Gravity plane is a pretty easy, breezy ride, though it can be disorienting.。

The closest analog your body probably has to the feeling of weightlessness created during these flights is falling, so the automatic response for many people is to flail around.。

Proof that the writer of this story was on a Zero Gravity flight.Credit: miriam kramer/zero gravity corporation。

Full disclosure: I took a ride in a Zero-G plane a few years back, and while I had a great time, I also couldn't figure out how to move my body in weightlessness. I did, indeed, try to dog paddle my way through the air. (It didn't work.)。

Viall and Grimaldi seemed to take to the weightlessness of the flight better than I did, however. The two reality TV stars bounced around, flipped and twirled like pros.。

That is, until Grimaldi learned first-hand why NASA's plane made for parabolic flights was nicknamed the "vomit comet" by members of the press. 。

Via Giphy。

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Grimaldi puked a few times during her flight, which isn't unusual. About one in three people who flew aboard NASA's vomit comet got sick on their first flight, according to NASA. 。

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It's true that these flights were limited in the earlier days of the space program, but now Zero-G Corporation (which is a separate entity from NASA) flies whoever has the willpower (and the money) to book a ticket.。

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You too can experience the nausea-inducing weightlessness of a zero-g flight. The company sells seats aboard their planes for $4,950. 。Featured Video For You 。Featured Video For You。Normal couples turn dating into a real-life 'Bachelor' episode 。