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Parker Solar Probe of NASA Sends Back its First Images

The Parker Solar Probe's first close approach to the Sun will be in November

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41-year old NASA probe may be near interstellar space. Flickr
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Just over a month into its seven-year mission to touch the Sun, NASA Parker Solar Probe has beamed back the first-light data from each of its four instrument suites, the US space agency said.

On September 9, Wide-field Imager for Solar Probe’s (WISPR) — the only imager on the probe — door was opened, allowing the instrument to take the first images during its journey to the Sun.

WISPR with both its inner and outer telescope snapped a blue-toned, two-panel image of space with stars visible throughout.

While the Sun is not visible in the image, it showed Jupiter.

Launched on August 12, Parker Solar Probe, NASA historic small car-sized probe will journey steadily closer to the Sun, until it makes its closest approach at 3.8 million miles.

“All instruments returned data that not only serves for calibration, but also captures glimpses of what we expect them to measure near the Sun to solve the mysteries of the solar atmosphere, the corona,” said Nour Raouafi, the probe’s project scientist at the Johns Hopkins University in Laurel, Maryland.

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This is NASA’s Latest achievement. Pixabay

While these early data are not yet examples of the key science observations that the probe is expected to transmit in December, it shows that each of its four instrument suites are working well.

The probe also sent data back from its three other instruments on board: ISoIS, FIELDS and SWEAP which are all dedicated to unravelling the mysteries of the Sun.

ISoIS’s (pronounced “ee-sis” and includes the symbol for the Sun in its acronym) two Energetic Particle Instruments — EPI-Lo and EPI-Hi — cover a range of energies for these activity-driven particles.

EPI-Lo’s initial data shows background cosmic rays, particles that were energised and came rocketing into our solar system from elsewhere in the galaxy.

Data from EPI-Hi shows detections of both hydrogen and helium particles from its lower-energy telescopes.

The FIELDS’ four electric field antennas on the front of the probe observed the signatures of a solar flare, while the SWEAP’s (Solar Wind Electrons Alphas and Protons), three instruments caught glimpses of the solar wind.

NASA
Launched on August 12, Parker Solar Probe, NASA’s historic small car-sized probe will journey steadily closer to the Sun, until it makes its closest approach at 3.8 million miles. Pixabay

The Parker Solar Probe’s first close approach to the Sun will be in November.

Over the next two months, it will fly towards Venus, performing its first Venus gravity assist in early October.

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Throughout its mission, the probe will make six more Venus flybys and 24 total passes by the Sun.

The probe is named after Eugene Parker, a solar physicist, who in 1958 first predicted the existence of the solar wind, a stream of charged particles and magnetic fields that flow continuously from the Sun. (IANS)

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Another Space Telescope Shuts Down: NASA

Launched by space shuttles in the 1990s, Hubble and Chandra are part of NASA's Great Observatories series.

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Second Space Telescope Shuts Down, NASA Says Pixabay

Another NASA space telescope has shut down and halted science observations.

Less than a week after the Hubble Space Telescope went offline, the Chandra X-ray Observatory did the same thing. NASA said Friday that Chandra automatically went into so-called safe mode Wednesday, possibly because of a gyroscope problem.

Hubble went into hibernation last Friday because of a gyroscope failure.

NASA
This illustration made available by NASA shows the Chandra X-ray Observatory. On Oct. 12, 2018, the space agency said that the telescope automatically went into so-called safe mode on Oct. 10, possibly because of a gyroscope problem. VOA

Both orbiting observatories are old and in well-extended missions: Hubble is 28, while Chandra is 19. Flight controllers are working to resume operations with both.

NASA said it’s coincidental both went “asleep” within a week of one another. An astronomer who works on Chandra, Jonathan McDowell of the Harvard-Smithsonian Center for Astrophysics, tweeted Friday that “Chandra decided that if Hubble could have a little vacation, it wanted one, too.”

Also Read: Astronomers Capture 15,000 Galaxies Using Hubble Telescope

Launched by space shuttles in the 1990s, Hubble and Chandra are part of NASA’s Great Observatories series. The others are the Compton Gamma Ray Observatory, which was also launched in the 1990s but eventually failed and was destroyed, and the Spitzer Space Telescope, launched in 2003 and still working. Each was intended to observe the cosmos in different wavelengths. (VOA)

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