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Juno Spacecraft Watch Thread - Juno successfully enters Jupiter's Orbit !
Posted on 7/4/16 at 9:25 pm
Posted on 7/4/16 at 9:25 pm
Update: Juno is in Jupiter's Orbit, where it will remain in this initial orbit for 53 days before getting a closer look at the planet.
Happy 4th everyone!
This is the last photo taken by Juno prior to its final entry to Jupiter, taken on June 29 at a distance of 3.3 million miles from Jupiter:
According to the NASA TV schedule, live coverage begins at 9:30 PM:
LINK
Pasadena, CA (CNN)
While most Americans are out watching fireworks to celebrate the Fourth of July, a group of scientists will be huddled in a small, glass conference room at NASA's Jet Propulsion Lab in Pasadena, California, on Monday night to listen for a series of tones.
Those tones may not rival the national anthem, but they will tell Juno mission managers whether the spacecraft has successfully performed a "suspenseful" maneuver that will allow it to be pulled into orbit around Jupiter.
"Oh my God, we're going in!" said an admittedly nervous Scott Bolton -- the principal investigator for Juno with the Southwest Research Institute in San Antonio, Texas.
Bolton and the rest of the Juno team will hover over their computer monitors and wait as Juno hits its brakes. It will fire its main engine for 35 minutes starting at 8:18 p.m. PDT (11:18 p.m. ET). That should slow the spacecraft by about 1,212 miles per hour (542 meters per second) and allow it to be pulled into orbit around Jupiter.
It will be about 9:30 p.m. PT (12:30 a.m. ET Tuesday) before Juno sends back tones indicating whether it has successfully completed the engine firing.
If the maneuver doesn't work, the solar-powered space probe's batteries might die before it swings back around Jupiter to face the sun.
"I'm really just nervous that the whole orbit insertion rocket burn is going to work enough to get us into orbit and then allow us to turn back to the sun before we run out of battery power," Bolton said at a news conference.
"You're on battery power," he said. "The whole game is get back to the sun before you run out of battery."
He says he won't exhale until Juno's huge solar arrays are safely back in sunlight. "I'm most scared of not quite getting back on the sun."
Juno has been speeding toward Jupiter for nearly five years. It's a spinning, robotic probe as wide as a basketball court. It looks a bit like a flying windmill.
If all goes as planned, Juno will circle Jupiter 37 times over 20 months, diving down to about 2,600 miles (4,100 kilometers) above the planet's dense clouds. The seven science instruments on board will study Jupiter's auroras and help scientists better understand the planet's origins, structure, atmosphere and magnetosphere.
"Some of the challenges are we are going into the most treacherous place in the entire solar system, radiation fields that are really intense," Juno project manager Rick Nybakken told CNN's Paul Vercammen.
The planet is the most massive in our solar system -- Jupiter is a huge ball of gas 11 times wider than Earth. Researchers think it was the first planet to form and that it holds clues to how the solar system evolved.
Spacecraft have been to Jupiter before. The Galileo probe was the first to study Jupiter from orbit. But scientists still are puzzled by the gas giant.
What's going on under Jupiter's dense clouds? Does it have a solid core? How much water is in its atmosphere? And how deep are those colorful bands and that mysterious giant red spot?
"Jupiter looks a lot like the sun," Bolton said. But it has much more than the sun, and that's really important.
"The stuff that Jupiter has more of is what we're all made out of," he said. "It's what the Earth is made out of. It's what life comes from."
Juno will help solve the mysteries of Jupiter by looking at its interior. The spacecraft will orbit the poles and try to dodge the planet's most hazardous radiation belts. To protect the spacecraft from the radiation, Juno has a shielded electronics vault.
Juno has a color camera and a three Lego crew members (yes, Legos).
The camera is called JunoCam and NASA says it will take "spectacular close-up, color images" of Jupiter. NASA is asking the public to help decide where to point the camera.
Now, about those Lego crew members. Three 1.5-inch figurines are on board Juno. One is a likeness of Galileo Galilei -- the scientist who discovered Jupiter's four largest moons. The other two represent the Roman god Jupiter and his wife Juno. They were included to inspire children to study science and math.
Juno's spacecraft body measures 11.5 feet (3.5 meters) tall and 11.5 feet in diameter. But with its three solar panels open, it spans about 66 feet (20 meters). For comparison, an NBA basketball court is 50 feet wide and 94 feet long.
Jupiter was 445 million miles (716 million kilometers) from Earth when Juno was launched from Cape Canaveral on August 5, 2011. But the probe has traveled a total distance of 1,740 million miles (2,800 million kilometers) to reach the gaseous planet, making a flyby of Earth to help pick up speed.
You can see Jupiter from Earth without any special binoculars or telescopes. It's the bright star in the evening sky from January through August. If you do have a telescope, you can see its largest moons.
The Juno mission ends on February 20, 2018, when Juno is expected to crash into Jupiter.
LINK
Happy 4th everyone!
This is the last photo taken by Juno prior to its final entry to Jupiter, taken on June 29 at a distance of 3.3 million miles from Jupiter:
According to the NASA TV schedule, live coverage begins at 9:30 PM:
LINK
Pasadena, CA (CNN)
While most Americans are out watching fireworks to celebrate the Fourth of July, a group of scientists will be huddled in a small, glass conference room at NASA's Jet Propulsion Lab in Pasadena, California, on Monday night to listen for a series of tones.
Those tones may not rival the national anthem, but they will tell Juno mission managers whether the spacecraft has successfully performed a "suspenseful" maneuver that will allow it to be pulled into orbit around Jupiter.
"Oh my God, we're going in!" said an admittedly nervous Scott Bolton -- the principal investigator for Juno with the Southwest Research Institute in San Antonio, Texas.
Bolton and the rest of the Juno team will hover over their computer monitors and wait as Juno hits its brakes. It will fire its main engine for 35 minutes starting at 8:18 p.m. PDT (11:18 p.m. ET). That should slow the spacecraft by about 1,212 miles per hour (542 meters per second) and allow it to be pulled into orbit around Jupiter.
It will be about 9:30 p.m. PT (12:30 a.m. ET Tuesday) before Juno sends back tones indicating whether it has successfully completed the engine firing.
If the maneuver doesn't work, the solar-powered space probe's batteries might die before it swings back around Jupiter to face the sun.
"I'm really just nervous that the whole orbit insertion rocket burn is going to work enough to get us into orbit and then allow us to turn back to the sun before we run out of battery power," Bolton said at a news conference.
"You're on battery power," he said. "The whole game is get back to the sun before you run out of battery."
He says he won't exhale until Juno's huge solar arrays are safely back in sunlight. "I'm most scared of not quite getting back on the sun."
Juno has been speeding toward Jupiter for nearly five years. It's a spinning, robotic probe as wide as a basketball court. It looks a bit like a flying windmill.
If all goes as planned, Juno will circle Jupiter 37 times over 20 months, diving down to about 2,600 miles (4,100 kilometers) above the planet's dense clouds. The seven science instruments on board will study Jupiter's auroras and help scientists better understand the planet's origins, structure, atmosphere and magnetosphere.
"Some of the challenges are we are going into the most treacherous place in the entire solar system, radiation fields that are really intense," Juno project manager Rick Nybakken told CNN's Paul Vercammen.
The planet is the most massive in our solar system -- Jupiter is a huge ball of gas 11 times wider than Earth. Researchers think it was the first planet to form and that it holds clues to how the solar system evolved.
Spacecraft have been to Jupiter before. The Galileo probe was the first to study Jupiter from orbit. But scientists still are puzzled by the gas giant.
What's going on under Jupiter's dense clouds? Does it have a solid core? How much water is in its atmosphere? And how deep are those colorful bands and that mysterious giant red spot?
"Jupiter looks a lot like the sun," Bolton said. But it has much more than the sun, and that's really important.
"The stuff that Jupiter has more of is what we're all made out of," he said. "It's what the Earth is made out of. It's what life comes from."
Juno will help solve the mysteries of Jupiter by looking at its interior. The spacecraft will orbit the poles and try to dodge the planet's most hazardous radiation belts. To protect the spacecraft from the radiation, Juno has a shielded electronics vault.
Juno has a color camera and a three Lego crew members (yes, Legos).
The camera is called JunoCam and NASA says it will take "spectacular close-up, color images" of Jupiter. NASA is asking the public to help decide where to point the camera.
Now, about those Lego crew members. Three 1.5-inch figurines are on board Juno. One is a likeness of Galileo Galilei -- the scientist who discovered Jupiter's four largest moons. The other two represent the Roman god Jupiter and his wife Juno. They were included to inspire children to study science and math.
Juno's spacecraft body measures 11.5 feet (3.5 meters) tall and 11.5 feet in diameter. But with its three solar panels open, it spans about 66 feet (20 meters). For comparison, an NBA basketball court is 50 feet wide and 94 feet long.
Jupiter was 445 million miles (716 million kilometers) from Earth when Juno was launched from Cape Canaveral on August 5, 2011. But the probe has traveled a total distance of 1,740 million miles (2,800 million kilometers) to reach the gaseous planet, making a flyby of Earth to help pick up speed.
You can see Jupiter from Earth without any special binoculars or telescopes. It's the bright star in the evening sky from January through August. If you do have a telescope, you can see its largest moons.
The Juno mission ends on February 20, 2018, when Juno is expected to crash into Jupiter.
LINK
This post was edited on 3/30/17 at 8:52 am
Posted on 7/4/16 at 9:31 pm to meeple
Interesting, to say the least. Thanks for posting.
Posted on 7/4/16 at 9:33 pm to meeple
So badass.
The electronics for Juno are packed in a titanium box to help protect them from radiation. Even with that Juno will have to duck out of close orbit occasionally to avoid getting fried.
The electronics for Juno are packed in a titanium box to help protect them from radiation. Even with that Juno will have to duck out of close orbit occasionally to avoid getting fried.
Posted on 7/4/16 at 9:35 pm to meeple
Awesomeness. Great timing for Independence Day. I really hope before I die that we send the first men to orbit Jupiter and maybe land on Europa. I'll be pissed if we don't land on Mars before I die though.
Posted on 7/4/16 at 9:36 pm to meeple
Posted on 7/4/16 at 9:37 pm to OMLandshark
quote:
Awesomeness. Great timing for Independence Day. I really hope before I die that we send the first men to orbit Jupiter and maybe land on Europa. I'll be pissed if we don't land on Mars before I die though.
Radiation from Jupiter would kill anyone orbiting that planet, and on the surface of Europa as well. I think the best we can hope for in our lives is an unmanned Europa lander.
Posted on 7/4/16 at 9:37 pm to wickowick
Posted on 7/4/16 at 10:00 pm to meeple
You mean to tell me they can control a spacecraft 444 million miles away but I can't have the internet in the back of my house because the signal is too far away.
Posted on 7/4/16 at 10:03 pm to Mrtommorrow1987
They been taking to people at lunar distance since 1969. That's fricking amazing.
Posted on 7/4/16 at 10:04 pm to LSUSUPERSTAR
Watching the NASA coverage on their TV station, which appears to be the same as the youtube channel.
Posted on 7/4/16 at 10:12 pm to ColoradoAg03
Yeah, can make use of the NASA station tonight.
Posted on 7/4/16 at 10:25 pm to PatDyesPants
quote:
Radiation from Jupiter would kill anyone orbiting that planet, and on the surface of Europa as well. I think the best we can hope for in our lives is an unmanned Europa lander.
Well, a Jupiter orbit is planned for the 2040s. Landing on Europa may be difficult as well due to this, since maybe they could shield them for a short orbit on the craft, but I find it less feasible they could if they were out of their craft. Maybe when Europa is facing away from Jupiter they could do it, but they'd have less than 24 hours to pull it off.
It's possible and being planned for.
Posted on 7/4/16 at 10:50 pm to OMLandshark
Approximately 5 minutes left in the burn
ETA: 3 min
ETA: 3 min
This post was edited on 7/4/16 at 10:51 pm
Posted on 7/4/16 at 10:52 pm to meeple
Sad only 6,000 people are watching it.
Posted on 7/4/16 at 10:55 pm to OMLandshark
They did it!!! Good day to be an American and a human at large!
Loved the suspenseful music they played beforehand!
Loved the suspenseful music they played beforehand!
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