Tuesday, February 21, 2017

Mystery as NASA calls Wednesday press conference to announce 'major' exoplanet discovery

NASA is hosting a press conference on Wednesday to reveal ' discovery beyond our solar system '


Space Agency says the event secret, ' presents new findings on planets orbiting stars that are not the Sun, known as exoplanets '.


This raises the hope that NASA could disclose details of exoplanets is able to maintain its viability.

The event will be held on 22 February at 13:00 in New York and will be broadcast live on NASA television station and
its website.

Although NASA was not given instructions announcement, confirmed the scientist Spitzer will be present.

NASA'S Spitzer Space Telescope observed the transit of exoplanets in infrared wavelengths and has helped to develop and characterize many, including the disturbing details of the planet's atmosphere.

Spitzer is often teamed with ground telescopes, including the Warsaw ogle telescope at Las Campanas Observatory, Chile.

By 2015, a collaboration between Spitzer and Italy 3.6 meter Galileo National telescope Canary Islands revealed a rocky planet known most closely: HD 219134b, only 21 light years from Earth.

Unfortunately, however, the planet is orbiting the star too tightly to make it suitable for life.

Recently, researchers give a remarkable vision of nearby system with new exciting animation reveals the four alien world orbiting the star 129 light years.

The planets, each one of which is greater than that of Jupiter, which encircles the bright young stars located in the constellation Pegasus.

This is the result of seven years of observations at the W.M. Keck Observatory in Hawaii, giving a glimpse of the four planets draw the orbital period is almost directly proportional to others ...

The animation was created by Jason Wang, a graduate student in astronomy at the University of California, Berkeley, based on observations of four of the eight planets, dating back to 2009.

The star HR 8799, was less than 60 million a year and nearly five times brighter than the Sun, according to much of the world.

These objects have an orbital period that varies from 40 years to more than 400.

However, researchers believe that they are in resonance one two four eight one another.

This means that their individual orbital period in the proportion which is almost right for each other.

Given the time required to complete each planet's orbit, only a fragment of this journey is shown in the animation.

Astronomers find planet HR 8799 three in 2008, using the direct imaging for the first time.

The team included Christian Marois of the Herzberg Institute of Astrophysics National Research Council Canada, they analyze the data, according to much of the world.

When the first pictures of the HR 8799 planetary scientists, independent team also announced a direct imaging of planets of the star Fomalhaut.

After additional observations in 2009 and 2010, the researchers found fourth planet around HR 8799.

Now using motion interpolation algorithm for plotting their orbits, and the animation shows this four stars as they made their way in HR 8799.

Previous researchers have created a similar animation of a planet orbiting the star Beta Pictoris.

According to Wang, the new technique ' allows us to use the data reduction process of artifacts that we use to consider the inconvenience best to limit planetary positions. '

To make them visible, researchers have been blocking the light from a star, causing the black circle in the Center.

Each star is more massive than Jupiter and thus to each other much.

As researchers continue to observe this system, you'll look to see if the stable, or if several planets will be issued.

Wang and the Maoris was part of a team operating in the Gemini Planet Imager the Gemini telescope, a complement to the South of Chile.
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