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What would happen if you took two galaxies and mixed them together over millions of years? An image including data from NASA's Chandra X-ray Observatory reveals the cosmic culinary outcome.
Arp 299 is a system located about 140 million light years from Earth. It contains two galaxies that are merging, creating a partially blended mix of stars from each galaxy in the process.
This is the deepest X-ray image ever obtained, made with over 7 million seconds of observing time with NASA's Chandra X-ray Observatory. These data give astronomers the best look yet at the growth of black holes over billions of years beginning soon after the Big Bang, as described in our latest press release.
The image is from the Chandra Deep Field-South, or CDF-S. The full CDF-S field covers an approximately circular region on the sky with an area about two-thirds that of the full Moon. However, the outer regions of the image, where the sensitivity to X-ray emission is lower, are not shown here. The colors in this image represent different levels of X-ray energy detected by Chandra. Here the lowest-energy X-rays are red, the medium band is green, and the highest-energy X-rays observed by Chandra are blue.
In honor of #BlackFriday, check out this amazing Chandra Black Hole image. The supermassive black hole at the center of the Milky Way may be producing tiny particles, called neutrinos, that have virtually no mass and carry no electric charge. This Chandra image shows the region around the black hole, known as Sagittarius A*, in low, medium, and high-energy X-rays (red, green, and blue respectively.) Scientists have found a connection to outbursts generated by the black hole and seen by Chandra and other X-ray telescopes with the detection of high-energy neutrinos in an observatory under the South Pole.
In honor of #BlackFriday, check out this amazing Chandra Black Hole artist concept. This artist's impression shows a binary system containing a stellar-mass black hole known as IGR J17091 for short. Observations with Chandra have clocked the fastest wind ever seen blowing off a disk around this stellar-mass black hole at about 20 million miles per hour. The wind, which comes from a disk of gas surrounding the black hole, may be carrying away much more material than the black hole is capturing and could be variable over time. This result has important implications for understanding how this class of black hole, which typically weighs between 5 and 10 solar masses, can behav
@NASAGoddard : RT @NASA: It's #BlackFriday, but for us, it's the 3rd annual #BlackHoleFriday. Today, we'll post pics & info about black holes t.co/w274nnwnP6 (via Twitter twitter.com/NASAGoddard/status/670267574899367937)
@NASAGoddard : :zap:️ “Black Hole 101” by @NASAGoddard Need a break from #BlackFriday, digging @NASA’s #BlackHoleFriday? Perfect, enjoy our Black Hole 101! ☄️ t.co/VLorXQY8HY (via Twitter twitter.com/NASAGoddard/status/934177458684907520)
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Our Instagram page has over 2,200 images and is lucky enough to be followed by more than 29 million fans.
What images and videos were your favorite from this past year? Great question, and one we asked ourselves too!
Here’s a look at our most liked Instagram posts* of 2017…Enjoy!
#10 Black Hole Collision
What happens when two supermassive black holes collide? Until last year, we weren’t quite sure. Gravitational waves! With 834,169 likes, this image is our 10th most liked of 2017.
#9 Italy Through the Space Station Cupola Window
European astronaut Paolo Nespoli (@Astro_Paolo) shared this image on social media of “Southern #Italy and Sicily framed by one of our Cupola windows” aboard the International Space Station. This image ranks #9 for 2017 with 847,365 likes.
#8 Black Hole Friday
For our 5th annual #BlackHoleFriday we’ll share awesome images and facts about black holes! A black hole is a place in space where gravity pulls so much that even light cannot get out. With 916,247 likes, this picture ranks #8 for 2017.
#7 The Elements of Cassiopeia A
Did you know that stellar explosions and their remains–“supernova remnants”–are a source of chemical elements essential for life here on Earth? A new Chandra X-ray Observatory image captures the location of several vital elements like silicon (red), sulfur (yellow), calcium (green) and iron (purple), located on Cassiopeia A–a supernova remnant ~11,000 light years from Earth. This image ranks #7 for 2017 with 943,806 likes.
#6 Jupiter Blues
Jupiter, you’re bluetiful ! Churning swirls of Jupiter’s clouds are seen in striking shades of blue in this new view taken by our Juno spacecraft. This image ranks as our sixth most liked Instagram post of 2017 with 990,944 likes.
#5 An Interstellar Visitor
An interstellar visitor…scientists have confirmed that an intriguing asteroid that zipped through our solar system in October is the first confirmed object from another star! Observations suggest that this unusual object had been wandering through the Milky Way, unattached to any star system, for hundreds of millions of years before its chance encounter with our star system. With 1,015,721 likes, this image ranks #5 for 2017.
#4 Space Station Lunar Transit
Space station supermoon. This composite image made from six frames shows the International Space Station, with a crew of six onboard, as it transits the Moon at roughly five miles per second on Dec. 2. This image ranks #4 for 2017 with 1,037,520 likes.
#3 The Space Between Us
A post shared by NASA (@nasa) on Dec 20, 2017 at 2:56pm PST
The beautiful space between Earth and the International Space Station was immortalized by NASA astronaut Mark Vande Hei while orbiting 250 miles above the planet we call home. This majestic image ranks #3 for 2017 with 1,042,403 likes.
#2 The Moon Swallows the Sun
A post shared by NASA (@nasa) on Aug 21, 2017 at 2:03pm PDT
Today, the Sun disappeared, seemingly swallowed by our Moon–at least for a while. The August 21 solar eclipse cut through a swath of North America from coast to coast and those along the path of totality, that is where the Moon completely covered the Sun, were faced with a sight unseen in the U.S. in 99 years. Which might have something to do with this image ranking #2 for 2017 with 1,144,503 likes.
#1 Solar Eclipse Over Cascade Lake
A post shared by NASA (@nasa) on Aug 21, 2017 at 3:57pm PDT
Behold! This progression of the partial solar eclipse took place over Ross Lake, in Northern Cascades National Park, Washington on Monday, Aug. 21, 2017.
This photo was our #1 image of 2017 with 1,471,114 likes!
See them all here!
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*Posts and rankings are were taken as of Dec. 28, 2017.
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@NASAGoddard : THREAD: Need a break from #BlackFriday, digging @NASA’s #BlackHoleFriday? Perfect, enjoy our Black Hole 101! ☄️ t.co/K0pt5B88IL (via Twitter twitter.com/NASAGoddard/status/934136841875480576)
@NASAGoddard : @NASA @NASAHubble @chandraxray @NASAFermi @NASAspitzer Want to learn more about black holes? Ask a question with #AskNASA #BlackholeFriday. More here on black holes: t.co/Gdd2jG4ZpS t.co/tSaGH2kCBj (via Twitter twitter.com/NASAGoddard/status/934144346886205440)
@NASAGoddard : @NASA @NASAHubble @chandraxray @NASAFermi @NASAspitzer Want to learn more about black holes? As a question with the hashtag #AskNASA #BlackholeFriday Read here: t.co/Gdd2jG4ZpS t.co/s4Shew1dhJ (via Twitter twitter.com/NASAGoddard/status/934142512608022528)
@NASAGoddard : @NASA @NASAHubble @chandraxray @NASAFermi @NASAspitzer Want to learn more about blackholes? As a question with the hashtag #AskNASA #BlackholeFriday Read here: t.co/Gdd2jG4ZpS t.co/gvvsxc76Du (via Twitter twitter.com/NASAGoddard/status/934140770411597825)
@NASAGoddard : This method of using two or more kinds of signals to learn about one event or object is called multimessenger astronomy, and it’s helping us learn a lot about the universe. Get MORE blazing #BlackHoleFriday deals here: t.co/Gdd2jG4ZpS t.co/HxkRFTguM1 (via Twitter twitter.com/NASAGoddard/status/1066051652027863041)