Spacecraft
in sentence
123 examples of Spacecraft in a sentence
Do you remember when Carl Sagan turned the Voyager
spacecraft
back towards the Earth, in 1990 after it just passed Saturn?
If it existed, it would change all future
spacecraft
design and space mission planning.
It was an astronomy book, and I poured over that thing for hours on end, and it was a combination of all these things that inspired me to pursue space exploration as my own personal dream, and part of that dream was, I always wanted to just fly around the solar system and visit different planets and visit moons and
spacecraft.
So the Earth is cool, but what we really want to show are the spacecraft, so I'm going to bring the interface back up, and now you're looking at a number of satellites orbiting the Earth.
And the cool thing is, we actually created 3D models for a number of these spacecraft, so if you want to visit any of these, all you need to do is double-click on them.
And I mention this because there's this strange public perception that NASA's dead, that the space shuttles stopped flying and all of the sudden there's no more
spacecraft
out there.
Well, a lot of what NASA does is robotic exploration, and we have a lot of
spacecraft
out there.
Just being able to visit places in different times, you can explore this for hours, literally hours on end, but I want to show you one thing in particular, so I'm going to open up the destination tab,
spacecraft
outer planet missions, Voyager 1, and I'm going to bring up the Titan flyby.
It's part of the
spacecraft
that's in orbit around the Sun that's rendezvoused with two planets.
So the interplanetary system is on its way, but there's a last project, which the Defense Advanced Research Projects Agency, which funded the original ARPANET, funded the Internet, funded the interplanetary architecture, is now funding a project to design a
spacecraft
to get to the nearest star in 100 years' time.
Now rather than call this by its unwieldy catalog name, we briefly called it "Rama," after the cylindrical
spacecraft
that passed through the solar system in Arthur C. Clarke's classic science fiction story in 1973.
But since even private industry can't manage to launch a
spacecraft
within a week to something like this, astronomers have to rely on remote observations.
In the case of 'Oumuamua, it reflected more red light, making it look very much like the organic rich surface of the comet recently visited by the Rosetta
spacecraft.
In fact, minerals that have tiny little bits of iron in the surface can also look red, as does the dark side of Saturn's moon Iapetus, shown in these images from the Cassini
spacecraft.
Now could we send a
spacecraft
to 'Oumuamua and answer this question once and for all?
We're hoping that we'll start to see a lot of these things, and ideally, you'd love to find one as it's approaching the Sun, because you want to have time to do all the science, or even more ideal, you'd get a
spacecraft
ready to go, parked somewhere in the L4 or L5 position, somewhere near Earth, so that when something comes by, you can chase it.
In one, I used NASA supercomputers to design next-generation spacecraft, and in the other I was a data scientist looking for potential smugglers of sensitive nuclear technologies.
With digital information traveling at the speed of light, it would only take minutes to send those digital instructions from Earth to Mars, but it would take months to physically deliver those same samples on a
spacecraft.
It was taken by the Voyager
spacecraft
in 1990, when they turned it around as it was exiting the solar system to take a picture of the Earth from six billion kilometers away.
We can't simply infer they're
spacecraft.
These are the asteroids we may one day send
spacecraft
to, to mine them for minerals, but they're also the asteroids that may one day impact the Earth, like happened 60 million years ago with the extinction of the dinosaurs, or just at the beginning of the last century, when an asteroid wiped out almost 1,000 square miles of Siberian forest, or even just last year, as one burnt up over Russia, releasing the energy of a small nuclear bomb.
I'd like to take you on the epic quest of the Rosetta
spacecraft.
There's the coma, and then there is the nucleus, which here is too small to see, and you have to remember that in the case of Rosetta, the
spacecraft
is in that center pixel.
In parallel, a small mission to a comet, what you see here, Giotto, was launched, and in 1986, flew by the comet of Halley with an armada of other
spacecraft.
We actually orbit the comet using something which is not normally done with
spacecraft.
Then in 2011, we got so far from the sun that if the
spacecraft
got into trouble, we couldn't actually save the
spacecraft
anymore, so we went into hibernation.
However, the velocity the
spacecraft
had was much too fast.
And you'll see here the planets as well as some
spacecraft
that are also orbiting our sun.
And this is actually a real photograph of Earth taken by the Voyager 1 spacecraft, four billion miles away.
The successful joint mission, known as Apollo-Soyuz, in which an American Apollo
spacecraft
docked with a Soviet Soyuz craft and the two crews met, shook hands, and exchanged gifts, marked the end of the space race in 1975.
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