Leroy Chiao

Did I think about the risks? Of course I did. Anyone who says otherwise is not being completely honest. The amount of energy it takes to bring a spacecraft to orbital speed, and the forces it endures on re-entry, makes risk impossible to avoid.

American Astronaut

Andy Weir

I study orbital dynamics as a hobby. My idea of a good time is sitting down and drawing on that knowledge to imagine a space mission from beginning to end, getting as many details right as I can.

American Novelist

Gus Grissom

The flight crew for the orbital mission has been picked, and I'm not on it. Of course I've been feeling pretty low for the past few days. All of us are mad because Glenn was picked.

Henry Spencer

The key virtue of orbital assembly is that it eliminates the tight connection between the size of the expedition and the size of the rockets used to launch it.

Canadian Scientist

Kenichi Fukui

The frontier orbital approach was further developed in various directions by my own group and many other scientists, both theoretical and experimental.

Japanese Scientist

Steve Jurvetson

Since the Moon has no atmosphere, it presents a unique orbital opportunity - we could fly incredibly close to the surface while staying in lunar orbit.

American Businessman

Debra Fischer

As our sensitivity improves, we are finally seeing planets with longer orbital periods, planetary systems that look more like our solar system.

American Scientist

Jared Isaacman

I think if orbital space flight is just the exclusive domain of a couple of countries and a select few, I don't know how far we're gonna get.

Jeff Bezos

We're working on New Glenn, which is our orbital vehicle, but we have in our mind's eye an even bigger vehicle called New Armstrong.

Conor McGregor

Irish Athlete

Refers to the actual trajectory of celestial bodies, not just the concept of movement.

Space Movements

'Orbital' suggests a looped path but does not mean it's perfectly round; orbits can be elliptical.

Not Always Circular

An 'orbital' path is stable and controlled, not random or accidental.

Stability Implied

Describes a precise relationship to paths around celestial bodies, often in technical or scientific contexts.

Specific Relation

Used in astronomy, physics, and related sciences; not used for ordinary, everyday actions.

Scientific Context

Specific to anatomy, referring to a bone or cavity in the skull that houses the eye.

Anatomical Term

Used accurately in medical discussions; may be unfamiliar in everyday conversation.

Medical Precision

Refers to how electrons are arranged in atoms and molecules, a fundamental concept in chemistry.

Electron Arrangement

Closely associated with quantum mechanics, a complex field dealing with atomic and subatomic particles.

Quantum Mechanics

 But these satellites that we rely on day in and day out have a finite life. They might run out of propellant, they could malfunction, or they may just naturally reach the end of their mission life. At this point, these satellites effectively become space junk, cluttering the orbital environment.

Let's clean up the space...

 Because the inability to experience regret is actually one of the diagnostic characteristics of sociopaths. It's also, by the way, a characteristic of certain kinds of brain damage. So people who have damage to their orbital frontal cortex seem to be unable to feel regret

Kathryn Schulz: Don't...

 space exploration it impacted everybody because this picture you know we always are looking now at orbital sunrises right everybody knows that we're on this planet Earth but the question I have to ask now what are we today going to do to contribute to those same kinds of

Want interstellar...

 Dark matter adds to the gravity of the galaxy and explains the orbital speed of stars far from the galactic center. Dark matter has not yet been directly observed, but scientists believe that it is likely to be real, mostly because the other options have been ruled out.

Dark matter: How does it...

 We're at eight or nine. And for the first time, you've actually reflown one of the rockets that landed. Yeah, so we landed the rocket booster and then prepped it for flight again and flew it again, so it's the first reflight of an orbital booster

Elon Musk: The future...

 these highways only become more congested over time. The good news is, we can protect ourselves by studying our solar system, creating backup options for our satellite networks, and cooperating to avoid an orbital tragedy of the commons.

What if every satellite...

 uh... phyllosilicates which are clays, sulfates, some others. And they began finding those. Ah, so, they had this orbital information, now it was the time to do something called 'ground-truthing' which is Curiosity.

Mars Up Close, Part 1:...

 a six passenger to pilot suborbital right vehicle how important is suborbital to get people acclimated to the true experience of orbital flight is it a well you not ask the master

Buzz Aldrin: Mission to...

 in a few months. So we're actually integrating -- will be integrating the engines into the booster for the first orbital flight starting in about a week or two.

Elon Musk: A future...

 impossible every orbital launch generates rocket parts as debris as mine once did some pieces remain orbiting forever some burn

Orbital

Space Movements

Not Always Circular

Stability Implied

Never forget "Orbital"

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