What If?: Orbital Speed - You'd be moving at about 15 subway stops per second.

What If?: Orbital Speed - You'd be moving at about 15 subway stops per second.

XKCD "WHAT IF" is generally awesome, but today was particularly awesome for those of us who like math and like The Proclaimers and think space is really cool... so me.

XKCD "WHAT IF" is generally awesome, but today was particularly awesome for those of us who like math and like The Proclaimers and think space is really cool... so me.

Orbital Speed: How Do Satellites Orbit? Experiment | Education.com

Orbital Speed: How Do Satellites Orbit?

Orbital Speed of Planets in Order – Rotational Speed Comparison ...

Orbital Speed of Planets in Order – Rotational Speed Comparison ...

Orbital Speed: How Do Satellites Orbit? | Education.com

Orbital Speed: How Do Satellites Orbit?

Orbital Speed: How Do Satellites Orbit? | Education.com

Orbital Speed: How Do Satellites Orbit?

Orbital Speed Diagram

Orbital Speed: How Do Satellites Orbit?

Predicted appearance of non-rotating black hole with toroidal ring of ionised matter, such as has been proposed[8] as a model for Sagittarius A*. The asymmetry is due to the Doppler effect resulting from the enormous orbital speed needed for centrifugal balance of the very strong gravitational attraction of the hole.

Predicted appearance of non-rotating black hole with toroidal ring of ionised matter, such as has been proposed[8] as a model for Sagittarius A*. The asymmetry is due to the Doppler effect resulting from the enormous orbital speed needed for centrifugal balance of the very strong gravitational attraction of the hole.

Moon glow-in-the-dark poster by Atomic Printworks for 77 Industries. 	A glow-in-the-dark poster showing the full moon as seen from the Earth. This poster is printed using a luminous phosphorescent coating so that it glimmers in the dark - just like the moon itself. 	The poster also includes a series of lunar facts and figures on radius, mass, orbital speed and gravity for budding astronomers. As popular with adults as it is with children. 	Printed in the UK on 200gsm coated paper using a…

Moon glow-in-the-dark poster by Atomic Printworks for 77 Industries. A glow-in-the-dark poster showing the full moon as seen from the Earth. This poster is printed using a luminous phosphorescent coating so that it glimmers in the dark - just like the moon itself. The poster also includes a series of lunar facts and figures on radius, mass, orbital speed and gravity for budding astronomers. As popular with adults as it is with children. Printed in the UK on 200gsm coated paper using a…

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