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Questions tagged [parker-solar-probe]

The Parker Solar Probe is a NASA mission to explore the sun and answer key questions about its corona and the solar wind. This tag should be used to ask questions about the Parker Solar Probe.

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Why is ISRO planning to launch Aditya-L1 if NASA has already launched the Parker Solar Probe?

If both the ISRO’s Aditya-L1 and NASA’s Parker Solar Probe have almost the same key objectives, then why is ISRO planning to launch Aditya-L1? Is there a specific reason or purpose for this decision?
Bunny Mos's user avatar
10 votes
1 answer
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How close can a spacecraft get to the Sun if it is limited solely by passive cooling?

The Parker Solar Probe’s trajectory will take it within 8.5 solar radii of the sun’s photosphere. Its instruments, hiding in the shadow of the alumina-coated composite sun shield, will bask in 29 °C ...
Woody's user avatar
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12 votes
1 answer
193 views

What are the moving particles that can be seen by the Parker Solar Probe?

There ate two images below from the Parker Probe, one of Venus and the second from the Sun. The second one is a screenshot from a recent video (Youtube of Parker imagery while in solar corona). In ...
KingsInnerSoul's user avatar
2 votes
2 answers
214 views

Parker Solar Probe orbital velocity

Will Parker Solar Probe's orbital velocity of almost 200 km/s pose any exceptional challenges to the telemetry? Will the signal become distorted?
Some Student's user avatar
2 votes
2 answers
333 views

Is it more efficient to burn all needed fuel in an Oberth manoeuvre at once or burn a fraction of the fuel for each orbit?

I was looking into Parker Solar Probes trajectory and was wondering what would be the most optimal way to utilize a retrograde thrust at perihelion to reduce the number of needed gravity assists. I ...
Alexander Ivanov's user avatar
4 votes
2 answers
616 views

Was solar newbie Solar Orbiter able to get "closer" to the Sun than Parker Solar Probe so quickly?

The NASA News headline ESA/NASA's Solar Orbiter Returns First Data, Snaps Closest Pictures of the Sun caught my eye because Solar Orbiter (2020-010A) was launched just five months ago whereas Parker ...
uhoh's user avatar
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5 votes
3 answers
483 views

Speed at aphelion is decreasing for Parker Solar Probe with each new orbit despite being closer to the Sun

Sorry for the really bad picture I am looking at some data from the Parker Solar Probe mission and I was looking at the speeds of PSP at perihelion and aphelion at each new, different, orbit (the ...
Alexander Ivanov's user avatar
6 votes
2 answers
283 views

How deep into the corona could the Parker Solar Probe go without being damaged?

An answer to the question Has any object launched from Earth gone into the Sun? says The probe will repeatedly touch the outer corona until mission end in 2025, with the closest approach being 3.83 ...
Bob516's user avatar
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8 votes
1 answer
252 views

How is Parker Solar Probe so robust against coronal mass ejections?

Phys.org's Revealing the physics of the Sun with Parker Solar Probe quotes "Tim Horbury, a lead researcher on Parker Solar Probe's FIELDS instruments based at Imperial College London" as saying: "...
uhoh's user avatar
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2 votes
2 answers
70 views

What is ESA's Solar Orbiter's target inclination?

The BBC News article European SolO probe ready to take on audacious mission links to the ESA video shown below and contains this 5 minute audio interview with NASA deputy project scientist on the ...
uhoh's user avatar
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-2 votes
1 answer
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How would molten or liquid metal be transported in open space? [closed]

How to transport a ball of liquid, molten metal nearest to the Sun possible? It must be close to the Sun for the metal to stay molten. However, to stay safely cool enough, the spacecraft must always ...
Muze's user avatar
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4 votes
1 answer
594 views

How (the heck) were Parker's sapphire elbows made?

The YouTube video The AMAZING Design of the Parker Solar Probe - Smarter Every Day 198 is quite interesting, as is the video Destin's second "Smarter" channel's video Scientist Interview: Dr. Tony ...
uhoh's user avatar
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2 votes
2 answers
271 views

Is a solar free-return trajectory possible?

I'm coining a new phrase: "Dyson circuit". Is it possible, with current solar orbital capabilities (see Parker Solar Probe), to drive artificial satellites in a free-return trajectory around the Sun? ...
Michael's user avatar
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4 votes
2 answers
200 views

When will Parker Solar Probe begin "doing science"-- is it already?

Parker solar probe is going to be doing 7 fly-bys of Venus before it reaches its lowest point in its orbit around the sun. Will it be doing anything before it reaches the lowest point? We're still ...
Magic Octopus Urn's user avatar
2 votes
1 answer
289 views

How cold was it in the shade of the Parker solar probe?

What was the temperature in the shade of the Parker solar probe? Do to the proximity at the closest point the probe got to the Sun how much shade can be produced at that range?
Muze's user avatar
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6 votes
1 answer
687 views

What is "light bar testing"?

A photo of the Parker Solar Probe was captioned as follows: In the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on Tuesday, June 5, 2018, technicians and ...
0xDBFB7's user avatar
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3 votes
1 answer
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Will Parker Solar Probe's orbit eventually circularize?

I was playing around with Universe simulator 2 and they have simulated NASA missions. It seems to actually take care of n-body simulations surprisingly well- in terms of a video game that is. So I was ...
Magic Octopus Urn's user avatar
2 votes
1 answer
286 views

Parker Solar probe jumping through fire?

Is the principle of passing close the Sun with the Parker Solar probe the same as if you pass your hand over a candle flame fast enough you won't get burned?
Muze's user avatar
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8 votes
1 answer
307 views

At what distance to the sun would the Parker Solar Probe completely fail?

I saw the plot below in this answer (40MB PDF), and it made me wonder, at what distance would Parker fail to function? Also, at what point would it become so hot that it wouldn't be recognizable as a ...
Magic Octopus Urn's user avatar
3 votes
1 answer
186 views

How will the Parker Solar Probe's data transmission keep up with data gathering?

The NASA article Preparing for Discovery With NASA's Parker Solar Probe says that we are now receiving data from the probe's first pass, but also that we will not receive all of the first pass's data ...
Wayne Conrad's user avatar
11 votes
2 answers
4k views

Why is Voyager/Pioneer so slow compared to Parker Solar Probe?

Deep space probes should be the fastest ones, due to incredible distances they are supposed to travel. AFAIK, Parker Solar (PS) will reach more than 600 000 km/h, incredible. On the other hand, ...
Zotyi's user avatar
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8 votes
1 answer
2k views

Could we possibly see the shadow offset from Parker Solar probe on Earth?

The closer an object to the source of light, the larger the shadow it casts. Parker Solar probe would fly within 3.7 million miles (6 million kilometers) of the sun's surface. It sounds quite far ...
not_Prince's user avatar
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7 votes
2 answers
1k views

Will the Parker probe use aerobraking at Venus? If not, why not?

The Parker probe needs to lose a great deal of orbital energy and angular momentum in order to approach the Sun so closely. It will be aided in doing that by multiple flybys of Venus. Are these purely ...
Steve Linton's user avatar
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8 votes
2 answers
584 views

Radio Telemetry from Parker Probe?

Given that the Sun emits wide band RF noise at high levels, how is the Parker probe going to transmit its data collection to Earth (Terrestrial) when it reaches its closest proximity to the Sun in ...
user28116's user avatar
2 votes
0 answers
68 views

Was there a prototype for Solar Probe's hybrid Heat Shield/Antenna?

An early concept of the Solar Probe (reborn as Solar Probe Plus then Parker Solar Probe) used a parabolic antenna with a heat-resistant nadir facing side to double as a heat shield. While sourcing ...
Jack's user avatar
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13 votes
1 answer
2k views

What will happen to Parker Solar Probe in the long term?

Will the probe be intentionally crashed anywhere? Or is keeping space decontaminated not an issue here since temperature and radiation will sterilize anything in that kind of orbit?
Everyday Astronaut's user avatar
5 votes
1 answer
207 views

Is the Parker Solar Probe's semimajor axis being so close to that of Mercury's just coincidence? Does it help somehow?

Parker Solar Probe will end up in it's Sun-kissing orbit though a series of Venus flyby's, which roughly pins Parker's aphelion at Venus's semimajor axis or about 108 million km. Its final perihelion ...
uhoh's user avatar
  • 149k
6 votes
1 answer
410 views

Parker Solar probe's heat survival - Heat vs Temperature

This is not about about heat shields, materials, coolant, etc. I am not quite not getting the science that explains the Heat Vs Temperature, which is how the Parker probe is going to survive the ...
SimpleMan's user avatar
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6 votes
3 answers
395 views

Velocity of the Parker Probe when it will be given final boost by the rocket?

What is the current speed of the parker probe which is just launched today(After Final boost(detached by the rocket)). I was just guessing as it will attain max speed of ...
Sudhanshu Gaur's user avatar
6 votes
1 answer
380 views

What is 'triggered lightning'?

In NASA's pre-launch briefing for Parker Solar Probe, the Weather Officer Kathy Rice discusses briefly the possibility of 'triggered lightning'. See around 40:55 in this video1. She explains: We ...
Jack's user avatar
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6 votes
3 answers
595 views

How does the Parker Solar Probe have such a wide launch window?

The Parker Solar Probe is set to launch on August 11th 2018. It will perform 7 orbit-lowering gravity assists around Venus for ~6 years before reaching its final operational orbit. It has been well ...
Jack's user avatar
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8 votes
1 answer
767 views

What is the material and reflectivity of the surface of Parker Solar Probe's heat shield that faces the Sun?

The Parker Solar probe will launch soon, and over a period of years and several planetary flyby's loose enough energy from its heliocentric orbit to reach an orbit with a perhihelion of only about 4 ...
uhoh's user avatar
  • 149k
8 votes
2 answers
651 views

How large are the various forces and torques that the Parker Solar Probe will experience during its closest flyby of the Sun?

The Parker Solar Probe will experience forces and torques as it passes within about 8.5 solar radii of the Sun's surface that even a General Products hull will not protect it from. How large will the ...
uhoh's user avatar
  • 149k
8 votes
2 answers
2k views

How does the Parker Solar Probe's heat shield protect it from dust near the sun?

In this answer the survival of the Parker Solar Probe spacecraft passing as close as 9 solar radii from the Sun's surface is discussed. Using guestimates for apoapsis and periapsis of 1.1 $a_{venus}$,...
uhoh's user avatar
  • 149k
11 votes
1 answer
1k views

How can the Parker Solar Probe survive passing within 4 million miles of the sun's surface?

There is a lot of information on the internet about NASA's Parker Solar Probe mission, including several multi-hundred page scientific reviews and in-depth studies - here's one. But could someone take ...
uhoh's user avatar
  • 149k
15 votes
3 answers
741 views

Will or could the Parker Solar Probe do science at Venus?

Solar Probe Plus will flyby Venus 7 times(!) during 6 years in order to enter its "low" Solar orbit. Will it carry any instrument useful for studying Venus, for example seasonal changes? Would its ...
LocalFluff's user avatar
11 votes
2 answers
1k views

Have any spacecraft been launched or proposed to make a survivable close encounter with the Sun?

Have any spacecraft been either launched or proposed which involve a survivable close encounter with the Sun? This would include solar observation missions as well as any missions designed to make a ...
Anthony X's user avatar
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17 votes
2 answers
1k views

How can any probe be safe at one million degree Centigrade temperature?

Even after going straight inside the sun's corona, how can Solar Probe Plus be safe at the one million degree Centigrade temperature of the sun's corona ?
AmitG's user avatar
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