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Space Exploration : Recent Questions and Answers (Page 11)

Find answers to your questions about Space Exploration or help others by answering their Space Exploration questions.

Some exercise questions about Tsiolkovsky's Rocket Equation and Thrust Equation

I have found 6 of the question's answers, but I don't know they are correct. The last question about time of the burn I get negative result -0.42 seconds. Time...

Asked on 01/17/2021 by ICCQBE

1 answer

Did UAE's Al-Amal (Hope) Emirates Mars Mission (EMM) launch directly into an interplanetary trajectory or did it spend some time in LEO?

Time Magazine's UAE's Mission to Mars Launches Successfully—a First for the Arab World says that the Mars orbiter named Al-Amal (Hope) or Emirates Mars Mission:...blasted off...

Asked on 01/13/2021

1 answer

Why doesn't the BFR/Starship have a launch escape system?

This question let me wonder whether SpaceX' Starship has a launch escape system. It really seems to have none. The obvious question is why not, it sounds pretty negligent...

Asked on 01/08/2021 by Giovanni

2 answer

Apparent Centering Problem When Using the Perifocal System to Draw Orbital Ellipses

I am attempting to render orbital ellipses in software. Given a set of orbital elements, I am using the Perifocal system to determine a set of points along the...

Asked on 01/05/2021 by Keegan

2 answer

How rover landing is achieved on planets with very low atmospheric pressure?

I would like to understand how safe landing of a rover is achieved on mars or any other planet where the pressure is very low. Is it achieved by releasing...

Asked on 01/01/2021 by Mahen

1 answer

Tutorial for orbits from TLE data

I've been looking for a new hobby, and have been reading some about satellite tracking. I was wondering if there was a good tutorial that walks through how to use...

Asked on 12/26/2020 by UVphoton

1 answer

Could any modern launch vehicle have put Ulysses in it's polar heliocentric without going to another planet first?

This answer to Why aren't satellites launched into a Polar LEO to get into Polar Heliocentric Orbit? leaves me wondering if it could be done today without the trip...

Asked on 12/25/2020

1 answer

How does steel deteriorate in translunar space?

To confirm the identity of a 1966 Centaur booster returning near earth in 2020, NASA took some spectroscopy observations. They didn't match those of the same metal...

Asked on 12/18/2020 by Camille Goudeseune

2 answer

Is it possible to absorb energy from solar flares

I've learnt that solar flares have so much energy in them, but is it possible to tap the energy from them?...

Asked on 12/15/2020 by Mayur

1 answer

Can I see the ISS from the surface with the naked eye?

Can I see the International Space Station (ISS) from the surface with the naked eye? If yes, how can I determine that it really is the ISS?...

Asked on 12/11/2020 by Zoltán Schmidt

7 answer

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