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James Webb Space Telescope (JWST) NASA

James Webb Space Telescope (JWST) NASA
<<< See ALL the JWST FAQs What is the James Webb Space Telescope? The James Webb Space Telescope, also called Webb or JWST, is a large, space-based observatory, optimized for infrared wavelengths, which will complement and extend the discoveries of the Hubble Space Telescope. It will cover longer wavelengths of light than Hubble and will have greatly improved sensitivity. The longer wavelengths enable JWST to look further back in time to see the first galaxies that formed in the early universe, and to peer inside dust clouds where stars and planetary systems are forming today. More Info

http://www.jwst.nasa.gov/

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Gravitational lens A gravitational lens refers to a distribution of matter (such as a cluster of galaxies) between a distant source and an observer, that is capable of bending the light from the source, as it travels towards the observer. This effect is known as gravitational lensing and the amount of bending is one of the predictions of Albert Einstein's general theory of relativity.[1] (Classical physics also predicts bending of light, but only half that of general relativity's.[2]) Although Orest Chwolson (1924) or Frantisek Klin (1936) are sometimes credited as being the first ones to discuss the effect in print, the effect is more commonly associated with Einstein, who published a more famous article on the subject in 1936. Fritz Zwicky posited in 1937 that the effect could allow galaxy clusters to act as gravitational lenses.

The James Webb Space Telescope About Webb's Orbit The James Webb Space Telescope will observe primarily the infrared light from faint and very distant objects. But all objects, including telescopes, also emit infrared light. To avoid swamping the very faint astronomical signals with radiation from the telescope, the telescope and its instruments must be very cold. Dawn Captures Sharper Images of Ceres Craters and mysterious bright spots are beginning to pop out in the latest images of Ceres from NASA's Dawn spacecraft. These images, taken Feb. 12 at a distance of 52,000 miles (83,000 kilometers) from the dwarf planet, pose intriguing questions for the science team to explore as the spacecraft nears its destination. The image is available at:

AAAS News Release - "SCIENCE: Dust Scooped From Asteroid Confirms Source of Earth-Bound Meteorites" Researchers got their first up-close look at dust from a small, stony asteroid after the Hayabusa spacecraft scooped up the dust from the asteroid’s surface and brought it back to Earth. Analysis of the dust particles, detailed in the 26 August issue of Science, confirms a long-standing suspicion: Most common meteorites found here on Earth, known as ordinary chondrites, are born from these stony, or S-type, asteroids. Since chondrites are among the most primitive objects in the solar system, the discovery also means that these asteroids have been recording a long and rich history of early solar system events. “Science is very excited and pleased to be presenting these important scientific analyses,” said Brooks Hanson, the journal’s deputy editor for the physical sciences.

Future Spacecraft Will Be 3-D Printed Space exploration has always been restricted by the fact that all technology is to-go. Everything we put into the great beyond must first be fabricated on Earth and then packed into a rocket shroud and delivered--at great expense. The heavier the cargo, the larger and more costly the rocket, and thus, the launch. But what if we could shift production off terra nostra and actually do the building on site, aka in space? Hypercube An n-dimensional hypercube is also called an n-cube or an n-dimensional cube. The term "measure polytope" is also used, notably in the work of H. S. M. Coxeter (originally from Elte, 1912),[1] but it has now been superseded. The hypercube is the special case of a hyperrectangle (also called an n-orthotope).

About ALMA The Atacama Large Millimeter/submillimeter Array (ALMA) is a revolutionary instrument in its scientific concept, its engineering design, and its organization as a global scientific endeavor... Currently under construction in the thin, dry air of northern Chile's Atacama desert at an altitude of 5,000 meters above sea level, ALMA will initially be composed of 66 high-precision antennas working together at millimeter and submillimeter wavelengths, with a possible extension in the future. Thanks to its high resolution and sensitivity, ALMA will open an entirely new "window" on the Universe, allowing scientists to unravel longstanding and important astronomical mysteries, in search of our Cosmic Origins.

Videos: Delta 4-Heavy and Orion prepared for launch Delta 4-Heavy processing — CBC mate Inside the Horizontal Integration Facility, the three Common Booster Cores for the Delta 4-Heavy rocket to launch Orion on Exploration Flight Test No. 1 are mated together. Delta 4-Heavy processing — second stage mate Inside the Horizontal Integration Facility, the cryogenic upper stage is mated the center Common Booster Core for the Delta 4-Heavy rocket to launch Orion on Exploration Flight Test No. 1.

Lunar Eclipse: Watch It Live on YouTube At 11:20 a.m. PT Wednesday, a total, 100-minute-long lunar eclipse will be visible in South America, Europe, Africa, Asia and Australia. If you're not from those parts, Google and Slooh have prepared a myriad of options that let you enjoy the lunar eclipse from the relative safety of your couch. Perhaps the simplest way to watch the lunar eclipse is to tune into the live streaming video on Google's official YouTube channel.

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