2021 First-Class Forever Stamp,Sun Science: Solar Flare

# 5606 - 2021 First-Class Forever Stamp - Sun Science: Solar Flare

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US #5606
2021 Solar Flare – Sun Science

  • Pictures a solar flare on the sun
  • One of 10 stamps in the Sun Science set


Stamp Category: 
Commemorative
Set:  Sun Science
Value:  55¢ First Class Mail Rate (Forever)
First Day of Issue:  June 18, 2021
First Day City:  Greenbelt, Maryland
Quantity Issued:  18,000,000
Printed by:  Banknote Corporation of America
Printing Method:  Flexographic, Foil Stamping
Format:  Panes of 20
Tagging:  Phosphor, block tag

Why the stamp was issued:  To showcase the powerful and mysterious science behind the functioning of our sun.

About the stamp design:  Pictures a colorized images from NASA’s Solar Dynamics Observatory of a solar flare on the sun.  According to NASA, the color of this stamp represents an image of the sun as viewed with “131 Angstroms, an extreme ultraviolet wavelength­.”

First Day City:  The First Day of Issue Ceremony was held at Greenbelt Main Post Office.  It was originally to be held at the NASA Goddard Space Flight Center, but was moved due to observance of the Juneteenth Federal Holiday and the facility being closed.

About the Sun Science set:  Includes 10 stamp designs picturing different details of our sun along with phenomena associated with it.  Each design pictures a colorized image from NASA’s Solar Dynamics Observatory.  The different colors represent a different wavelength that reveals or highlights a particular aspect of our sun.

History the stamp represents:  A solar flare is a sudden explosion of energy at or near the surface of the Sun.  These flares usually occur near sunspots where magnetic fields get tangled up.  Oftentimes, solar flares are followed by coronal mass ejections.  This is the expulsion of plasma, radiation, and particles through the Sun’s corona into outer space.  Solar flares also emit a high amount of radio waves.

When solar flares occur in the direction of Earth, the particles can sometimes make it through our upper atmosphere.  This can cause the northern and southern lights (auroras) to be especially bright and visible in a wider area than normal.  However, the particles from solar flares can also cause problems with long-range radio communications or even certain radar devices.

Solar flares are a big concern with new missions to the Moon or Mars.  Neither have an atmosphere like Earth’s to provide protection.  This means the intense solar radiation from a solar flare could pose a significant threat to astronauts on the surface.  Thankfully, scientists have developed special magnetic and physical shielding to protect against the radiation.  This technology has been used on modern spaceships to keep astronauts safe.  The effectiveness of these shields is always improving.  With these innovations, we might even be able to build bases on the Moon someday!

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US #5606
2021 Solar Flare – Sun Science

  • Pictures a solar flare on the sun
  • One of 10 stamps in the Sun Science set


Stamp Category: 
Commemorative
Set:  Sun Science
Value:  55¢ First Class Mail Rate (Forever)
First Day of Issue:  June 18, 2021
First Day City:  Greenbelt, Maryland
Quantity Issued:  18,000,000
Printed by:  Banknote Corporation of America
Printing Method:  Flexographic, Foil Stamping
Format:  Panes of 20
Tagging:  Phosphor, block tag

Why the stamp was issued:  To showcase the powerful and mysterious science behind the functioning of our sun.

About the stamp design:  Pictures a colorized images from NASA’s Solar Dynamics Observatory of a solar flare on the sun.  According to NASA, the color of this stamp represents an image of the sun as viewed with “131 Angstroms, an extreme ultraviolet wavelength­.”

First Day City:  The First Day of Issue Ceremony was held at Greenbelt Main Post Office.  It was originally to be held at the NASA Goddard Space Flight Center, but was moved due to observance of the Juneteenth Federal Holiday and the facility being closed.

About the Sun Science set:  Includes 10 stamp designs picturing different details of our sun along with phenomena associated with it.  Each design pictures a colorized image from NASA’s Solar Dynamics Observatory.  The different colors represent a different wavelength that reveals or highlights a particular aspect of our sun.

History the stamp represents:  A solar flare is a sudden explosion of energy at or near the surface of the Sun.  These flares usually occur near sunspots where magnetic fields get tangled up.  Oftentimes, solar flares are followed by coronal mass ejections.  This is the expulsion of plasma, radiation, and particles through the Sun’s corona into outer space.  Solar flares also emit a high amount of radio waves.

When solar flares occur in the direction of Earth, the particles can sometimes make it through our upper atmosphere.  This can cause the northern and southern lights (auroras) to be especially bright and visible in a wider area than normal.  However, the particles from solar flares can also cause problems with long-range radio communications or even certain radar devices.

Solar flares are a big concern with new missions to the Moon or Mars.  Neither have an atmosphere like Earth’s to provide protection.  This means the intense solar radiation from a solar flare could pose a significant threat to astronauts on the surface.  Thankfully, scientists have developed special magnetic and physical shielding to protect against the radiation.  This technology has been used on modern spaceships to keep astronauts safe.  The effectiveness of these shields is always improving.  With these innovations, we might even be able to build bases on the Moon someday!