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Explorers and Heliophysics Projects Division (EHPD)

The Explorers and Heliophysics Projects Division (EHPD) consists of three programs: Explorers, Living With a Star (LWS), and Solar Terrestrial Probes (STP). The Explorers Program is an uncoupled Program which provides frequent flight opportunities for world-class scientific investigations from space within NASA Heliophysics and Astrophysics Space Science goals. Explorers projects are typically implemented in the Principal Investigator (PI) mode. The LWS Program is a loosely coupled Program which provides missions to improve our understanding of how and why the Sun varies, how the Earth and Solar System respond, and how the variability and response affects humanity in Space and on Earth. The STP Program is an uncoupled Program which provides missions to understand the fundamental physics processes from the Sun to Earth, to outer planets, and beyond to the interstellar medium.

>> Find out more about Explorers, Living With a Star, or
Solar Terrestrial Probes.

Latest EHPD News


NASA's MMS Breaks Guinness World Record NASA's SDO Performs Calibration Maneuvers Rains of Terror on Exoplanet HD 189733b NASA's SDO Catches a Lunar Transit NASA Missions Harvest a Passel of 'Pumpkin' Stars Study: Planet Orbiting Nearest Star Could be Habitable

Click on images to read features.       >> For news archive

Videos, Animations and More!

AIM spacecraft shows the sky over Antarctica is glowing electric blue due to the start of noctilucent, or night-shining, cloud season in the Southern Hemisphere. Scientists analyzed sunspot images from a trio of observatories - including the Big Bear Solar Observatory, which captured this footage - to make the first-ever observations of a solar wave traveling up into the sun's atmosphere from a sunspot. This footage from Hinode's X-ray Telescope is a composite of nearly two months of images, from Aug. 17, 2013, to Oct. 4, 2013.

>> For more

Organization


ehpd organization chart image used to link to all organization charts
Organization charts for the Explorers & Heliophysics Projects Division

Updated 08.2016
>> Org Charts



The Explorers and Heliophysics Projects Division mission to support Heliophysics, Physics and Astronomy

Missions Status

Explorers Missions

  • GOLD
    Launch Date: 3rd Quarter 2017
    Phase D: System Assembly, Test, & Launch
  • ICON
    Launch Date: June 2017
    Phase D: System Assembly, Test, & Launch
  • NICER
    Launch Date: February 2017
    Phase D: System Assembly, Test, & Launch
  • TESS
    Launch Date: March 2018
    Phase C: Final Design & Fabrication
  • For all Explorers Missions

Living With a Star Missions

Solar Terrestrial Probes Mission

NET = No Earlier Than

Related Sites

Internal Sites

Follow Explorers Missions


IRIS  (Operating)
Check out IRIS on Facebook        
NuSTAR  (Operating)
Check out NuSTAR on Facebook Follow NuSTAR on Twitter      
TESS  (Development)
Check out TESS on Facebook Check out TESS on Google+ Follow TESS @ NASA on Twitter Follow TESS @ MIT on Twitter  
WISE  (Operating)
Check out WISE on Facebook Follow WISE on Twitter      

Follow LWS Missions


SDO  (Operating)
Check out SDO on Facebook Follow SDO on Twitter Check out SDO on YouTube Check out SDO on Flickr Check out SDO's Blog
Van Allen Probes (Operating)
Check out Van Allen Probes on Facebook Follow Van Allen Probes on Twitter Check out Van Allen Probes on YouTube    

Follow STP Missions


HINODE  (Operating)
Check out HINODE on Youtube with NASA Check out SDO on Flickr      
MMS  (Operating)
Check out MMS on Facebook Follow MMS on Twitter Check out MMS on YouTube Check out MMS on Flickr Follow MMS on Pinterest
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