Questions tagged [lander]

Questions regarding devices used to make a controlled descent and touchdown onto another object, usually either to transfer objects, or perform scientific observations.

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1answer
380 views

Rosetta's lander, Philae will “anchor” itself on Comet 67P. What level of control can we have over this?

Rosetta's lander, Philae is scheduled to land on Comet 67P in November 2014. This will involve use of "harpoon" to anchor itself to make sure Philae remains attached to the surface despite weak ...
15
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2answers
1k views

Is lunar lithobraking 1. survivable and 2. cheaper than a rocket landing?

Lunar Lithobraking If your goal is simply to deliver a science package somewhere on the moon, might it be easier and cheaper to design the package to survive lunar impact? As an example, consider the ...
4
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1answer
367 views

Will the SuperDraco powered Dragon be able to “jump” on the Moon or Mars?

Does the Dragon reusability concept of SpaceX include the ability to reactivate the engines after landing to make a "jump" to a new soft landing location some kilometers or so away on the surface? Is ...
11
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1answer
2k views

Is it easier to land on Europa/Io than on Mars? What are the main considerations?

Europa orbits Jupiter at an average speed of 13.7 km/s. At the same time Jupiter orbits the Sun at a speed of 13.1 km/s. This means that Europa has an orbital speed relative to the Sun of 26.8 km/s ...
8
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2answers
949 views

Could the crashed Mars Express lander be imaged by the MRO orbiter?

The Mars Reconnaissance Orbiter has taken direct images of the MSL Curiosity rover, its parachute, heat shield and sky crane. Could it image, or has it even already, the failed Mars Express lander ...
24
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5answers
7k views

Why hasn't NASA planted a stationary lab on Mars yet?

Why does NASA send rovers such as Curiosity instead of remotely building a small building on the surface of Mars?
11
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1answer
411 views

Do lunar landers communicate with ground stations during descent and landing?

In about one day China's Chang'e 3 will land on the moon in a fully autonomous way, which is pretty exciting and I think especially the autonomous hazard avoidance system is just amazing. However, I ...
15
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4answers
1k views

Why is Philae not provided with a propulsion system?

Rosetta is en route to rendezvous with Chury. Briefly, the mission comprises an orbiter, and a lander. The latter named Philae. Wikipedia writes to say ... The lander is designed to touch down ...
9
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2answers
755 views

What factors are considered when choosing a Mars lander landing site?

NASA seems to have a mission planned to send a 2016 lander to Mars, and they say that they are in the process of choosing landing targets. What factors are considered when selecting these sites?
16
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1answer
337 views

How are planetary landers to low gravity bodies (asteroids/comets) designed?

How are planetary landers to low gravity bodies (such as the Moon, asteroids) designed to hold on to the surface without bouncing off after touching the surface?
9
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1answer
362 views

What type of onboard radar did the Surveyor landers use?

The Surveyor landers are the second generation of US lunar spacecraft following the Ranger series. They paved the way for the later soft landings of Apollo. What type of onboard radars were used in ...
15
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1answer
1k views

Did the Viking landers detect life on Mars?

The two Viking landers had an experiment on board where they attempted to find life on the planet. The initial results said yes, there was life, but later there were questions raised about the results....

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