2021 First-Class Forever Stamp,Sun Science: Plasma Blasts

# 5605 - 2021 First-Class Forever Stamp - Sun Science: Plasma Blasts

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US #5605
2021 Plasma Blast – Sun Science

  • Pictures a plasma blast 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 plasma blast on the sun.  According to NASA, the color of this stamp represents an image of the sun as viewed with “a blend of extreme ultraviolet wavelengths 171 and 304 Angstroms.”

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:  As you may know, our Sun is made up of extremely hot plasma.  This plasma is constantly in motion based on the influence of electromagnetic fields.  Sometimes, the plasma behaves unpredictably.

At the end of November 2020, NASA’s Solar Dynamics Observatory captured an amazing event on the surface of the Sun.  It was known as a plasma eruption and lasted for about an hour.  NASA posted a video online showing a sped-up version of the breathtaking event.

The November 2020 plasma eruption began as a solar flare – a powerful explosion of solar radiation caused by the tangling of magnetic fields around sunspots.  Once the solar flare ended, the plasma eruption began.  This eruption released a huge amount of radiation, gas, and other solar material – known as a coronal mass ejection.

NASA didn’t disclose exact measurements of this particular solar flare and plasma eruption, but past data can give us a rough idea.  Solar flares typically measure 62,000 to 310,000 miles across (8 to 40 Earths).  In comparison, coronal mass ejections have been known to be as wide as 23 million miles across.  It’s hard to imagine how large and powerful the Sun is… until you see numbers like that!

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US #5605
2021 Plasma Blast – Sun Science

  • Pictures a plasma blast 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 plasma blast on the sun.  According to NASA, the color of this stamp represents an image of the sun as viewed with “a blend of extreme ultraviolet wavelengths 171 and 304 Angstroms.”

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:  As you may know, our Sun is made up of extremely hot plasma.  This plasma is constantly in motion based on the influence of electromagnetic fields.  Sometimes, the plasma behaves unpredictably.

At the end of November 2020, NASA’s Solar Dynamics Observatory captured an amazing event on the surface of the Sun.  It was known as a plasma eruption and lasted for about an hour.  NASA posted a video online showing a sped-up version of the breathtaking event.

The November 2020 plasma eruption began as a solar flare – a powerful explosion of solar radiation caused by the tangling of magnetic fields around sunspots.  Once the solar flare ended, the plasma eruption began.  This eruption released a huge amount of radiation, gas, and other solar material – known as a coronal mass ejection.

NASA didn’t disclose exact measurements of this particular solar flare and plasma eruption, but past data can give us a rough idea.  Solar flares typically measure 62,000 to 310,000 miles across (8 to 40 Earths).  In comparison, coronal mass ejections have been known to be as wide as 23 million miles across.  It’s hard to imagine how large and powerful the Sun is… until you see numbers like that!