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Caatinga : Pepsi Poco Smoke*Lil Eagle Billy
Elevage de Gouvix
Amazing baby goats
. Photo by @hendriventer A black-maned Kalahari lion thatās been on patrol during the night running towards the rest of the pride after his calls were answered by the dominant male.central Kalahari Game Reserve. #lion #bigcat #big5 #safari #wildlife #ckgr #nature #kalahari #botswana #tuskphoto #animals #igscwildlife #igs_africa #wildeyesa #craghopperssa #wildlifephotography https://www.instagram.com/p/B0Rjg5MA6Vg/?igshid=bcwuunsk82hb
. Photo by @beckylynnsim This beautiful bear and cub. Kananaskis Country. #Wild #Nature #Wildlife #Bear #Canada #Animal #BearCub #Kananaskis #Canadiancreatives https://www.instagram.com/p/B1WYdflAi1O/?igshid=1vblqv9s89jir
. Photography by Ā© (Tyler Gagat). Hefty headgear. #wild #nature #wildlife #animals #caribou #alaska #reindeer #antler #tundra https://www.instagram.com/p/B1VqbUjAJ2J/?igshid=1enolv74x1i7n
. Photo by @zhayynnjamesphotography The waters of Lake Masek in Ndutu, part of the Ngorongoro Conservation Area as extremely shallow and host a variety of wildlife.Giraffes are particularly plentiful in Ndutu and come down to the lake to drink. I love the way both giraffes seemed to mirror each other, except for the necks which were crossed. #wild #nature #wildlife #animals #ndutu #igs_africa #wildeyesa #africa #reflection #places #giraffe #ngorongoro https://www.instagram.com/p/B1MRFmaAAaW/?igshid=1xkdac107kmst
Sunrise over Freshwater lake (Thale noi) in Pattha | by Eonaya
Calmness
Waves Crashing on Grecian Shores
By: @blue-for-yu
Date: November 10, 2018
Location: Greece
@WeHeartItĀ /entry/47191923
HAPPY HOPS
Five Record-Setting Gamma-ray Bursts!
For 10 years, our Fermi Gamma-ray Space Telescope has scanned the sky for gamma-ray bursts (GRBs), the universeās most luminous explosions!
Most GRBs occur when some types of massive stars run out of fuel and collapse to create new black holes. Others happen when two neutron stars, superdense remnants of stellar explosions, merge. Both kinds of cataclysmic events create jets of particles that move near the speed of light.
A new catalog of the highest-energy blasts provides scientists with fresh insights into how they work. Below are five record-setting events from the catalog that have helped scientists learn more about GRBs:
1. Super-short burst in Boƶtes!
The short burst 081102B, which occurred in the constellation Boƶtes on Nov. 2, 2008, is the briefest LAT-detected GRB, lasting just one-tenth of a second!
2. Long-lived burst!
Long-lived burst 160623A, spotted on June 23, 2016, in the constellation Cygnus, kept shining for almost 10 hours at LAT energies ā the longest burst in the catalog.
For both long and short bursts, the high-energy gamma-ray emission lasts longer than the low-energy emission and happens later.
3. Highest energy gamma-rays!
The highest-energy individual gamma ray detected by Fermiās LAT reached 94 billion electron volts (GeV) and traveled 3.8 billion light-years from the constellation Leo. It was emitted by 130427A, which also holds the record for the most gamma rays ā 17 ā with energies above 10 GeV.
4. In a constellation far, far away!
The farthest known GRB occurred 12.2 billion light-years away in the constellation Carina. Called 080916C, researchers calculate the explosion contained the power of 9,000 supernovae.
5. Probing the physics of our cosmos!
The known distance to 090510 helped test Einsteinās theory that the fabric of space-time is smooth and continuous. Fermi detected both a high-energy and a low-energy gamma ray at nearly the same instant. Having traveled the same distance in the same amount of time, they showed that all light, no matter its energy, moves at the same speed through the vacuum of space.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com. Ā
#InternationalCatDay? Try #IntergalacticCatDay.Ā
Check out features of our feline friends that have come to life as interstellar phenomena!Ā
Pictured first, the Catās Paw Nebula is located about 4,200-5,500 light-years from Earth ā situated in our very own Milky Way Galaxy. It was named for the large, round features that create the impression of a feline footprint and was captured by our Spitzer Space Telescope. After gas and dust inside the nebula collapse to form stars, the stars may in turn heat up the pressurized gas surrounding them. This process causes the gas to expand into space and form the bright red bubbles you see.Ā The green areas show places where radiation from hot stars collided with large molecules called āpolycyclic aromatic hydrocarbons,ā causing them to fluoresce.
Next, youāll find the Catās Eye Nebula. Residing 3,000 light-years from Earth, the Catās Eye represents a brief, yet glorious, phase in the life of a sun-like star.Ā This nebulaās dying central star may have produced the simple, outer pattern of dusty concentric shells by shrugging off outer layers in a series of regular convulsions. To create this view, Hubble Space Telescope archival image data have been reprocessed.Ā Compared to well-known Hubble pictures, the alternative processing strives to sharpen and improve the visibility of details in light and dark areas of the nebula and also applies a more complex color palette. Gazing into the Catās Eye, astronomers may well be seeing the fate of our sun, destined to enter its own planetary nebula phase of evolution ⦠in about 5 billion years.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com. Ā
Dogs have many different ways to cool themselves down... š¶š¦
What ways do your pets beat the heat? These cuties are adorable! Enjoy! š
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