Cornelis's user avatar
Cornelis's user avatar
Cornelis's user avatar
Cornelis
  • Member for 6 years, 11 months
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2 votes
1 answer
122 views

Were the distances traversed by Perseverance on Sol 718 and 719 each exactly 415.27 m or were they added together 415.27 m and if so, why?

5 votes
3 answers
196 views

What space applications could benefit from batteries with much higher power densities than the common Li-ion type?

2 votes
1 answer
140 views

Since pure Platinum is found in alluvial deposits on Earth, could it not be detected by Perseverance on or near the fan-delta deposit in Jezero?

3 votes
2 answers
206 views

How realistic are the required fluorine mining quantities for terraforming Mars compared to the real mining practices on Earth?

2 votes
1 answer
205 views

Why not bring an extra rover with an ExoMars drill unit to Jezero to have a far better chance to get biosignatures for the sample return mission?

5 votes
2 answers
204 views

Why is there a 38.6 km Earth-Moon distance difference between Ephemeris types "Observer table" and "Vector table" on Horizons Web Application?

1 vote
1 answer
146 views

How can I find Inclination and Longitude of ascending node for the Moon on JPL's Horizons?

3 votes
1 answer
196 views

Why do two craters in Utopia Planitia look like dark holes and are of the few ones on Mars that look this way?

0 votes
0 answers
80 views

Why does the the Artemis I translunar flight (have to) last 6 days while the Apollo fights to the Moon lasted only about 3 days? [duplicate]

3 votes
2 answers
245 views

Will or could real-time HDTV broadcasts be possible from the Orion spacecraft during the Artemis I spaceflight around the Moon?

7 votes
3 answers
533 views

What are the calculations for the time it would take to create a minus 50⁰ C liquid CO2 ocean on Venus by shielding it totally from the Sun?

0 votes
2 answers
115 views

What will be the most cost-effective way to remove and collect the subsurface ice on Mars?

6 votes
1 answer
90 views

Which were the more than 60 (!) candidate locations for the Mars 2020 rover?

1 vote
0 answers
63 views

What will be more important for the first NASA led human mission to Mars, the exploration of important science targets or the mining of water ice?

3 votes
0 answers
107 views

How far could we see (horizontally), floating inside the acid clouds of Venus at 56 km and at 51 km height above the surface?

1 vote
0 answers
96 views

Could it be more cost-effective to refuel with on the lunar south pole produced methalox instead of refueling methalox in LEO, on the way to Mars?

4 votes
1 answer
296 views

Will the Orion glass cockpit with CCD be tested with prospective astronauts on the ground during the upcoming Artemis 1 test flight ? If not, why?

3 votes
1 answer
629 views

What are the regularly spaced spots on this piece of material on the surface of Mars?

3 votes
2 answers
332 views

Could there be caves on Mars in the areas inside Jezero crater and the watershed west and north of it where the Mg carbonates are detected?

5 votes
3 answers
982 views

What could be the cause of the extraordinary high Fe counts from the PIXL instrument onboard the Perseverance rover?

3 votes
2 answers
255 views

After one year exploring Jezero's crater floor, has there been any investigation into the presence of trace elements with PIXL?

6 votes
1 answer
304 views

With and without refilling at LEO, how much more than the landers weight of the Venera 9 mission could a Starship deliver near a pole of Venus?

7 votes
2 answers
1k views

Which of the 2 delta-v calculations for a Mercury orbit insertion from LEO is right and which is wrong?

2 votes
2 answers
176 views

Is it (theoretically) correct to apply an equation that is derived from a hyperbolic trajectory, to an elliptic transfer orbit?

6 votes
2 answers
275 views

Starting refueled in LEO, how much payload could a heat-protected Starship softly land on Mercury after a gravity assist from Venus?

18 votes
3 answers
3k views

If one Starship can transport 100 people to Mars, how many could it safely land near Mercury's north pole after one Hohmann-like transfer?

7 votes
1 answer
139 views

Could and should not the search for the location(s) of the Martian methane spikes become the main scientific objective for the Curiosity rover?

8 votes
2 answers
2k views

What are and could be all the advantages and disadvantages to have a crewed station on Phobos before landing crewed missions on Mars?

6 votes
1 answer
479 views

How much delta-v could be saved with a Hohmann-like transfer orbit to the aphelion of Mercury 's orbit instead of its perihelion?

3 votes
0 answers
61 views

Could not an adapted RASSOR appear to be crucial for the Perseverance rover to find possible biosignatures on Mars?

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