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Hubble Finds Evidence of Water Vapor Plumes on Europa

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+NASA’s +Hubble Space Telescope has observed water vapor above the frigid south polar region of Jupiter’s moon Europa, providing the first strong evidence of water plumes erupting off the moon’s surface.

Previous scientific findings from other sources already point to the existence of an ocean located under Europa’s icy crust. Researchers are not yet certain whether the detected water vapor is generated by water plumes erupting on the surface, but they are confident this is the most likely explanation.

Please join +Tony Darnell Dr +Carol Christian and +Scott Lewis as they discuss the latest findings from the astronomers making the #Hubble observations  of this exciting discovery!

As always, we look forward to your questions and comments as well, see you then!

You can read more about this discovery here:
http://hubblesite.org/newscenter/archive/releases/solar-system/2013/55/full/

All Things Supernovae!

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Note! Special Day! Wednesday September 10th!

Supernovae are among the most spectacular events in the universe. They happen when massive stars reach the end of their lives and explode with a luminosity that can outshine an entire galaxy and will emit more energy than the Sun does in its entire lifetime.

While there is much we do know about these events, astronomers still have lots of questions and research is constantly uncovering more of the mysteries surrounding the deaths of massive stars.

Please join +Tony Darnell Dr +Carol Christian and +Scott Lewis as they discuss the latest findings in the study of supernovae from #Hubble and other research efforts.

As always, we look forward to your questions and comments as well, see you then!

Seeing Planets around Other Suns: First Light with the Gemini Planet Imager

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Seeing Planets around Other Suns: First Light with the Gemini Planet Imager
Dr. Marshall Perrin

Thousands of exoplanets are now known, but only a handful have been seen directly. Such observations are extraordinarily challenging because a star is millions to billions of times brighter than a planet. After ten years of work, an international team of scientists and engineers has now completed a new and highly specialized instrument to obtain the best images yet of nearby solar systems, the Gemini Planet Imager (GPI). GPI can see planets a factor of ten better than any previous instrument. Over the next few years, it will survey hundreds of nearby stars and return images and spectra of dozens of Jupiter-type planets.

Examination of these worlds with GPI opens the way to new discoveries about the properties of planets and observational tests of theories for the formation of solar systems. Similar technologies on future large space telescopes, successors to Hubble and JWST, will let us seek out and study potentially Earth-like planets around nearby
stars.

Host: Dr. Frank Summers

Recorded live on September 2, 2014 at the Space Telescope Science Institute in Baltimore, MD, USA

For more information: http://hubblesite.org/about_us/public_talks/

Tonights Sky: September 2014

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Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky.” In September, Mars and Saturn are visible low in the evening sky and the star cluster M2 in Aquarius is featured.

“Tonight’s Sky” is produced by HubbleSite.org, online home of the Hubble Space Telescope. This is a recurring show, and you can find more episodes — and other astronomy videos — at HubbleSite.org.

Visit Tonight’s Sky on HubbleSite.
http://hubblesite.org/explore_astronomy/tonights_sky

Calilbrating Hubble Data: Decoding the Secrets of the Distant Universe

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Have you ever wondered how astronomers are able to tease out the secrets of the distant universe from faint smudges of light in a Hubble image?  How are they able to know what chemical elements are in an exoplanet atmosphere? How can they tell the difference between a galaxy, star or a cosmic ray on the detector?

Please join +Tony Darnell Dr. +Carol Christian and +Scott Lewis as they discuss the calibration of data from the Hubble Space Telescope with astronomers attending a special Hubble Data Calibration Workshop.  learn the secrets of getting science from Hubble images!  

Please vote for a Hubble Panel at SXSW!
http://panelpicker.sxsw.com/vote/39935