vania-janet/multiturn-rag-retrieval-data huggingface dataset:
Watch the Skies -
In the Northern Hemisphere, the comet is best viewed with binoculars or a small telescope – right after the Sun dips below the horizon, look West just beneath the Moon, and just right of Jupiter. An hour after sunset, the comet drops so low, it will be difficult to see without a perfectly clear view of the horizon. The comet then sets an hour later.
Sky chart showing the crescent Moon above Jupiter and Comet 12P in the western sky following sunset on April 10.Credit: NASA/JPL-Caltech
Bill Cooke, who leads the Meteoroid Environment Office at NASA’s Marshall Space Flight Center in Huntsville, Alabama, encourages viewers to have more realistic expectations about what they might see. “Many images depict a bright comet with a long green tail,” Cooke said. “That’s not going to happen.”
By July, it will be too dim to view even with binoculars.
As for viewing this comet with the naked eye, it might be possible in the coming days, but by mid-April, it will be too close to the Sun and then growing fainter as it makes its way away from the Sun.
The brightest stars are a magnitude 1, the faintest are a magnitude 6. Comet 12P will peak around a magnitude 5 unless an outburst occurs.
However, Cooke warns that outbursts are unpredictable. “There have been minor outbursts roughly once a month but it’s impossible to predict them,” he said. “The last one was on Leap Day, Feb. 29.”
Will the comet be visible during the eclipse?
It is certainly a possibility. If Comet 12P remains around a magnitude 5, it would only be visible in binoculars during the few minutes of totality. Consider enjoying the main spectacle instead of using that time to locate Comet 12P and attempt to view it at another time.
For more skywatching highlights in April, check out Jet Propulsion Lab’s What’s Up series.

By Lauren Perkins
NASA’s Marshall Space Flight Center
NASA's Sun-Earth Day Video Podcasts
You know you're not supposed to stare at the sun, but who could resist a peek at this? A new NASA spacecraft called the Solar Dynamics Observatory, or SDO, will deliver startling images of the sun with ten times more detail than HDTV.
http://sunearthday.gsfc.nasa.gov/podcasts/video/sdo.mp4 
 
http://sunearthday.gsfc.nasa.gov/podcasts/video/sdo.mp4
Thursday, 06 Nov 2008 12:00:00 -0400
NASA's Sun-Earth Connection Education Forum
You know you're not supposed to stare at the sun, but who could resist a peek at this? A new NASA spacecraft called the Solar Dynamics Observatory, or SDO, will deliver startling images of the sun with ten times more detail than HDTV.
5:27
You know you're not supposed to stare at the sun, but who could resist a peek at this? A new NASA spacecraft called the Solar Dynamics Observatory, or SDO, will deliver startling images of the sun with ten times more detail than HDTV.
SDO, Solar Dynamics Observatory, NASA, space, Earth, astronomy, science, solar storms, CME, solar wind, space weather, Barrow Alaska, Auroras, Alaska, Ice, Poles, Analogs
no

Earth's Poles as Analogs to Other Icy Worlds
Learn why our poles are so important to study when it comes to exploring other planets.
http://sunearthday.gsfc.nasa.gov/podcasts/video/earth_as_analogs.mp4 
 
http://sunearthday.gsfc.nasa.gov/podcasts/video/earth_as_analogs.mp4
Mon, 06 Oct 2008 12:00:00 -0400
NASA's Sun-Earth Connection Education Forum
Learn why our poles are so important to study when it comes to exploring other planets.
10:27
Learn why our poles are so important to study when it comes to exploring other planets.
Eyes - NASA Science
Bring the mission to life by controlling its robotic arm and learn about the many instruments on board.Start ExploringDSN NowSee which spacecraft is “phoning home” with DSN Now. Every five seconds, DSN Now updates with real-time data from the ground stations of the Deep Space Network. Click on a dish to learn more about the live connection between the spacecraft and the ground.Start ExploringEarth NowNASA's Earth Now mobile app shows the latest data from the agency's Earth-observing satellite fleet on your phone or tablet. Track storms and weather with the "Visible Earth" vital sign, use "Carbon Monoxide" to hunt for forest fires and volcanic eruptions, and more. Tap a satellite to view its 3D model and access its related data. Learn more with the "Details" button or see trends by playing an animated data sequence.Read moreSpacecraft ARSpacecraft AR is an augmented reality (AR) application that lets you place many different spacecraft in your immediate surroundings. Find a flat space and generate interactive 3D models right in front of you, in small or true-to-life proportions. Take pics in your favorite locations, then keep exploring with in-depth information about the spacecraft and missions. Read moreEclipse 2017In this interactive, web-based 3D simulation, you can click anywhere on the Earth to view the August 21st, 2017 total eclipse. Start ExploringExplore More AppsNSN SR NowThe Near Space Network Space Relay provides near-constant communication through a constellation of GEOsynchronous satellites.NSN DTE NowThe Near Space Network Direct-to-Earth antennas provide communication services through a blend of diverse service providers.FeedbackContact the Eyes support team.We will never share your email address.
Eyes on the Earth
Eyes on the Earth
An EPIC New View of Earth
These images will be posted to a dedicated web page by autumn 2015. Data from EPIC will be used to measure ozone and aerosol levels in Earth’s atmosphere, as well as cloud height, vegetation properties, and the ultraviolet reflectivity of Earth. NASA will use this data for a number of Earth science applications, including dust and volcanic ash maps of the entire planet.
“This first DSCOVR image of our planet demonstrates the unique and important benefits of Earth observation from space,” said NASA Administrator Charles Bolden. “As a former astronaut who’s been privileged to view the Earth from orbit, I want everyone to be able to see and appreciate our planet as an integrated, interacting system.”

Further Reading
Scientific American (2015, February 6) Al Gore Weighs in on a Long-Delayed Earth Observatory Launch. Accessed July 20, 2015.
The Atlantic (2015, February 10) 7 Truly Amazing Reasons to Care About NASA’s New Satellite. Accessed July 20, 2015.
The Planetary Society (2015, July 20) DSCOVR mission releases first EPIC global view of Earth, more to come in September. Accessed July 20, 2015.
The White House (2015, July 20) A New Blue Marble. Accessed July 20, 2015.

Image courtesy of the DSCOVR EPIC team. Caption by Rob Gutro and Adam Voiland.

From one million miles away, the DSCOVR satellite returned its first view of the entire sunlit side of Earth.
Image of the Day for July 21, 2015

Instrument:
DSCOVR — EPIC

Appears in this Collection:
Earth from Afar

Image of the Day
Atmosphere
Water

View more Images of the Day:

Jul 20, 2015

Jul 22, 2015

References & Resources

European Space Agency What are Lagrange Points? Accessed July 20, 2015.

NASA (2015, February 11) NOAA’s New Deep Space Solar Monitoring Satellite Launches. Accessed July 20, 2015.

NASA Kennedy Space Center (2015, February 11) Deep Space Climate Observatory Photo Gallery. Accessed July 20, 2015.

NASA (2015, January 7) NOAA’s DSCOVR to Provide “EPIC” Views of Earth.
An EPIC New View of Earth
European Space Agency What are Lagrange Points? Accessed July 20, 2015.

NASA (2015, February 11) NOAA’s New Deep Space Solar Monitoring Satellite Launches. Accessed July 20, 2015.

NASA Kennedy Space Center (2015, February 11) Deep Space Climate Observatory Photo Gallery. Accessed July 20, 2015.

NASA (2015, January 7) NOAA’s DSCOVR to Provide “EPIC” Views of Earth. Accessed July 20, 2015.

NASA (2015, July 20) NASA Satellite Camera Provides “EPIC” View of Earth . Accessed July 20, 2015.

NASA Earth Observatory (2009, September 4) Catalog of Earth Satellite Orbits. Accessed July 20, 2015.
NASA Earth Observatory (2009, September 4) History of the Blue Marble. Accessed July 20, 2015.
NOAA Satellite and Information Service (2015) DSCOVR: Deep Space Climate Observatory. Accessed July 20, 2015.

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Brown dwarfs aren’t quite stars and aren’t quite planets, and a new study suggests there might be more of them lurking in our galaxy than scientists previously thought.

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Getting HEASARC Catalogs Using the Cone Search Protocol
All HEASARC Browse Catalogs are available through the 
Cone search protocol. The result of a search is a table that contains metadata on a source. Use 
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Getting HEASARC Table Data Using the Table Access Protocol
HEASARC general table data may be accessed through the 
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Finding HEASARC VO Services
The HEASARC publishes information about its services in the NAVO Directory.
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July 6, 2015JPEG

Editor’s Note: An earlier version of this story stated that it has not been possible to capture images of the entire sunlit side of Earth since Apollo 17 astronauts captured the iconic Blue Marble photograph in 1972. In fact, other satellites—including Galileo, the Lunar Reconnaissance Orbiter, and geostationary weather satellites including GOES—have captured full-disc views of Earth since then.
The journey has been a long one for the Deep Space Climate Observatory (DSCOVR). Once known as Triana, the satellite was conceived in 1998 to provide continuous views of Earth, to monitor the solar wind, and to measure fluctuations in Earth’s albedo. The mission was put on hold in 2001, and the partly-built satellite ended up in storage for several years with an uncertain future. In 2008, the National Oceanic and Atmospheric Administration (NOAA), NASA, and the U.S. Air Force decided to refurbish and update the spacecraft for launch.
On February 11, 2015, DSCOVR was finally lofted into space by a SpaceX Falcon 9 rocket.
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