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7 votes
0 answers
60 views

Why wasn't the MSL landing ellipse in Gale Crater placed further South?

This paper documents the final landing site selection process for the Mars Science Laboratory (MSL) mission. One of the cons associated with Gale Crater (as pointed out in Table 10 of the paper), was ...
olamarre's user avatar
  • 907
21 votes
2 answers
5k views

Why did Apollo 11 land at the sea of tranquility?

As we all know in 1969 Apollo 11 landing made history but, why did it land specifically at the sea of tranquility also known as Mare Tranquilitatis. Probably they would have chosen this because of ...
learner's user avatar
  • 665
1 vote
1 answer
90 views

Does a deep space network benefit by having a diversity of latitudes?

When placing ground stations for a deep space communications network, there is a well-established benefit to spreading out the stations by longitude. In particular, having at least three stations ...
DrSheldon's user avatar
  • 48.1k
1 vote
0 answers
151 views

Why the big difference between NASA and ESA/Roscosmos in evaluating the Oxia Planum landing site?

In november 2018 ESA announced that the Oxia Planum region is favoured for the ExoMars surface mission. The figure above from this answer about the 21 potential landing sites for the Mars 2020 ...
Cornelis's user avatar
  • 7,535
3 votes
0 answers
56 views

How was the landing site decided to land InSight?

From this article The High-Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter plays an important role in evaluating candidate landing sites on Mars. HiRISE ...
Amar's user avatar
  • 2,246
9 votes
1 answer
581 views

Why is the northeastern region of Syrtis Major Planum a selected landing site for the Mars 2020 mission?

Image below: One of the 3 selected landing sites, on the left side of Jezero crater, which is also selected ! A workshop for the Mars 2020 Rover mission was held in February 2017 that selected 3 ...
Cornelis's user avatar
  • 7,535
6 votes
1 answer
347 views

Where will NASA's InSight land on Mars?

Next year NASA is launching its InSight lander to Mars to study the rock deep below the surface, so they can try to understand how the planet formed. Where on the Martian surface will InSight land, ...
duzzy's user avatar
  • 7,174
18 votes
1 answer
1k views

Why did the Venera missions land so close together?

I was reading about the Venera missions to Venus, and saw this map on Wikipedia: Venera 7 is missing from the map for some reason, but it landed at 5° S, 351° E, so it would have been very close to ...
duzzy's user avatar
  • 7,174
4 votes
1 answer
358 views

Can an attachment site on an asteroid by a spacecraft be privatized?

With the knowledge that space exploration is open to all, can a feasible and convenient attachment site be claimed and used only by a single country?
anon's user avatar
  • 213
3 votes
2 answers
559 views

Is there any difference in $\Delta V$ requirements for soft landing on near and far side of the Moon?

Would required $\Delta V$ for a lunar soft landing differ if the landing site is selected either on the near or the far side of the Moon? If there is a difference, how big would it be and what would ...
Hash's user avatar
  • 18k
5 votes
1 answer
850 views

Which launch sites were considered for Ariane 6?

I often see it mentioned that the selection of the launch site for Ariane 6 was one of the preliminary requirements that froze its final design. That does make sense, especially since there was some ...
TildalWave's user avatar
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6 votes
1 answer
686 views

How will the Mars One landing site be chosen?

How is Mars One planning on choosing a landing site? Will they be able to use NASA assets (Mars Reconnaissance Orbiter, etc) to assist with choosing a site, or will they have to make do with public ...
PearsonArtPhoto's user avatar
  • 121k
15 votes
1 answer
2k views

What was the mascon "fix" used by Apollo 12?

According to the mascon entry on wikipedia: At that time, one of NASA's highest priority "tiger team" projects was to explain why the Lunar Orbiter spacecraft being used to test the accuracy of ...
blueberryfields's user avatar