NASA Technical Reports Server (NTRS) 20180000376: The James Webb Space Telescope Mission PDF
Preview NASA Technical Reports Server (NTRS) 20180000376: The James Webb Space Telescope Mission
The James Webb Space Telescope Mission Matt Greenhouse JWST Project Office NASA Goddard Space Flight Center January 2018 @NASAWebb #JWST January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 1 How did the universe evolve to produce the Earth – our world? Oldest Light Composition Then Cosmic Web (simulation) Irregular Galaxy Shapes Planets With Liquid Water DNA Life Symmetric Galaxy Shapes Composition Now Extra-Solar Planets Stellar Debris Disks Star Birth January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 2 Humanity’s quest to understand its origins is as old as recorded history. New tools for discovery are providing insights and questions at a rate that is unprecedented in human history NASA’s Great Observatory program Astrolabe Circa 1990 Circa 1090 A.D. Reflecting Telescope Circa 1800 Spectroscopy Circa 1950 Armillary Sphere Circa 1500 Electronic detectors replace film Photographic film replaces eye First light James Webb Space Telescope Circa 1980 Circa 1930 Circa 1990 To be launched 2018 January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 3 Space telescopes are astronomer’s most powerful tools for exploring the fossil record of the universe Birth & evolution of galaxies, stars, planets The visible to infrared universe in HD The oldest light The most distant X-rays to infrared galaxies yet seen COBE 1989 WMAP 2001 HST 1990 Chandra 1999 Spitzer 2003 JWST 2018 Traveling back in time is the stuff of science fiction, but looking back in time is science fact. Distance to Distance to Distance to People Earth Sun 30C0lo,0s0es0t ySetaarrs Canter of our Galaxy Big Bang 100 million years ? 1 m 7000 km 150,000,000 km 270,000 AU Light travel time 0.000 000 003 s 0.02 s 500 s 4 years 25,000 years 14,000,000,000 years January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 4 JWST is designed to look back in time to see the first galaxies A Brief History of Time First Light (After the Big Bang) First luminous objects, proto-galaxies, supernovae of first stars COBE: The oldest light Credit: Rychard Bouwens 3 minutes HST: Most distant objects yet seen 300,000 years 100 million years 1 billion years Millennium Simulation 13.7 billion years HST Spitzer WMAP COBE JWST January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 5 The universe is 13.7 billion years old. Hubble can look back in time to observe an epoch during which the universe was approximately 1 billion years old, and has seen some galaxies at even earlier epochs. January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 6 But, Hubble cannot look far enough back in time to see the first galaxies Adapted from Ellis et al. e t a R n o ti a m r o F r a t S Look Back Time (redshift) January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 7 Light from primeval galaxies is emitted in the ultraviolet. As it travels to us through expanding space, its wavelength is stretched into the infrared spectrum 8 January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited JWST will see into the birthplaces of stars to reveal how they form Protostar Circumstellar disk The ETahgele ENaegbleu lNa eabsu slae eans isne tehne bnye aHrS-inTfrared Planetesimals Mature planetary system January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 9 JWST will observe how planetary systems form and evolve Artist Concept First Light (After the Big Bang) First luminous objects, proto-galaxies, Artist Concept supernovae, black holes Assembly of Galaxies Merging of proto-galaxies, effects of black holes, history of star formation Birth of Stars and Planetary Systems How stars form and chemical elements are produced Planetary Systems & Origins of Life Formation of planets First KBO (1992QB1) January 2018 Presentation to: IEEE Rising Stars Conference; Distribution Unlimited 10
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