NASA's Van Allen Probes Discover a
Surprise Circling Earth
NASA science spacecraft launches
Researchers wait patiently for months as
instruments on board are turned on
one at a t...
The Van Allen Probes
Launched on Aug. 30, 2012,
To study two giant belts of radiation that
surround Earth.
Van Allen belts, were discovered with the first
launches of satellites in 1958 by James Van
Allen.
Relativistic Electron Proton Telescope (REPT)
Changing the plan
Asked that the Relativistic Electron Proton
Telescope (REPT) be turned on early – just
three days afte...
SAMPEX
NASA's Goddard Space Flight Center in
Greenbelt

"We started wondering if there was
something wrong with our instruments...
Feb. 28, 2013.
Incorporating this new configuration
into their models of the radiation belts
offers scientists new clues...
A region that can sometimes swell
dramatically in response to incoming
energy from the sun, impacting satellites
and spac...
The Van Allen Belts
In 1958, discovered Two giant swaths of
radiation surrounding Earth.
But In 2012, observations a 3r...
The radiation is shown here in
Yellow
Green

Credit: NASA/Van Allen
Probes/Goddard Space Flight Center
Two giant belts of radiation
3rd giant Radiation Belt
On Aug. 31, 2012
A giant prominence on the sun erupted,
sending out particles and a shock wave...
3rd radiation belt
This image of the prominence before it
erupted was captured by NASA's Solar
Dynamics Observatory (SDO).
Credit: NASA/SDO...
NASA solar dynamics observatory (SDO)
2hrly gs ch p nasa's van allen probes discover a surprise circling earth
2hrly gs ch p nasa's van allen probes discover a surprise circling earth
Upcoming SlideShare
Loading in …5
×

2hrly gs ch p nasa's van allen probes discover a surprise circling earth

296 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
296
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
6
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

2hrly gs ch p nasa's van allen probes discover a surprise circling earth

  1. 1. NASA's Van Allen Probes Discover a Surprise Circling Earth
  2. 2. NASA science spacecraft launches Researchers wait patiently for months as instruments on board are turned on one at a time, slowly ramped up to full power, and tested to make sure they work at full capacity.
  3. 3. The Van Allen Probes Launched on Aug. 30, 2012, To study two giant belts of radiation that surround Earth.
  4. 4. Van Allen belts, were discovered with the first launches of satellites in 1958 by James Van Allen.
  5. 5. Relativistic Electron Proton Telescope (REPT)
  6. 6. Changing the plan Asked that the Relativistic Electron Proton Telescope (REPT) be turned on early – just three days after launch. In order that Its observations would overlap with another mission called SAMPEX (Solar, Anomalous, and Magnetospheric Particle Explorer) that was soon going to de-orbit and re-enter Earth's atmosphere.
  7. 7. SAMPEX
  8. 8. NASA's Goddard Space Flight Center in Greenbelt "We started wondering if there was something wrong with our instruments. We checked everything, but there was nothing wrong with them. The third belt persisted beautifully, day after day, week after week, for four weeks."
  9. 9. Feb. 28, 2013. Incorporating this new configuration into their models of the radiation belts offers scientists new clues to what causes the changing shapes of the belts
  10. 10. A region that can sometimes swell dramatically in response to incoming energy from the sun, impacting satellites and spacecraft or pose potential threats to manned space flight.
  11. 11. The Van Allen Belts In 1958, discovered Two giant swaths of radiation surrounding Earth. But In 2012, observations a 3rd belt appears.
  12. 12. The radiation is shown here in Yellow Green Credit: NASA/Van Allen Probes/Goddard Space Flight Center
  13. 13. Two giant belts of radiation
  14. 14. 3rd giant Radiation Belt On Aug. 31, 2012 A giant prominence on the sun erupted, sending out particles and a shock wave that traveled near Earth.
  15. 15. 3rd radiation belt
  16. 16. This image of the prominence before it erupted was captured by NASA's Solar Dynamics Observatory (SDO). Credit: NASA/SDO/AIA/Goddard Space Flight Center
  17. 17. NASA solar dynamics observatory (SDO)

×