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Today you have the opportunity to see Jupiter with its 4 moons: Callisto, Ganymede, Io, Europa.
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Tag Archives: Jupiter
Venus and Jupiter at Dawn
Image Credit & Copyright: Stefano De Rosa
On Monday morning, Venus and Jupiter gathered close in dawn skies, for some separated by about half the width of a full moon. It was their closest conjunction since 2000, captured here above the eastern horizon before sunrise. The serene and colorful view is from Istia beach near the city of Capoliveri on the island of Elba. Distant lights and rolling hills are along Italy’s Tuscan coast. Of course, the celestial pair soon wandered apart. Brighter Venus headed lower, toward the eastern horizon and the glare of the Sun, while Jupiter continues to rise a little higher now in the sky near dawn. The two brightest planets meet again next June 30th, in the evening twilight above the western horizon.
APOD NASA 21-Aug-14
Jupiter and Venus from Earth
Image Credit: Marek Nikodem (PPSAE)
It was visible around the world. The sunset conjunction of Jupiter and Venus in 2012 was visible almost no matter where you lived on Earth. Anyone on the planet with a clear western horizon at sunset could see them. Pictured above in 2012, a creative photographer traveled away from the town lights of Szubin, Poland to image a near closest approach of the two planets. The bright planets were separated only by three degreesand his daughter striking a humorous pose. A faint red sunset still glowed in the background. Early tomorrow (Monday) morning, the two planets will pass even closer – only 0.2 degrees apart as visible from some locations – just before sunrise.
APOD NASA 17-Aug-14
Jupiter’s Great Red Spot from Voyager 1
Image Credit: NASA, JPL; Digital processing: Björn Jónsson (IAAA)
What will become of Jupiter’s Great Red Spot? Recorded as shrinking since the 1930s, the rate of the Great Red Spot’s size appears to have accelerated just in the past few years. A hurricane larger than Earth, the Great Red Spot has been raging at least as long as telescopes could see it. Like most astronomical phenomena, the Great Red Spot was neither predicted nor immediately understood after its discovery. Although small eddies that feed into the storm system seem to play a role, a more full understanding of the gigantic storm cloud remains a topic of continued research, and may result in a better understanding of weather here on Earth. The above image is a digital enhancement of an image of Jupiter taken in 1979 by the Voyager 1 spacecraft as it zoomed by the Solar System’s largest planet. NASA’s Juno spacecraft is currently heading toward Jupiterand will arrive in 2016.
NASA APOD 18-May-14
Hubble’s Jupiter and the Amazing Shrinking Great Red Spot
Credit: NASA, ESA, and Amy Simon (Goddard Space Flight Center) et al.
Gas giant Jupiter is the solar system’s largest world with about 320 times the mass of planet Earth. It’s also known for a giant swirling storm system, the Great Red Spot, featured in this sharp Hubble image from April 21. Nestled between Jupiter-girdling cloud bands, the Great Red Spot itself could still easily swallow Earth, but lately it has been shrinking. The most recent Hubble observations measure the spot to be about 10,250 miles (16,500 kilometers) across. That’s the smallest ever measured by Hubble and particularly dramatic when compared to 14,500 miles measured by the Voyager 1 and 2 flybys in 1979, and historic telescopic observations from the 1800s indicating a width of about 25,500 miles on its long axis. Current indications are that the rate of shrinking is increasing for the long-lived Great Red Spot.
NASA APOD 17-May-14
Aurora Dog over Alaska
Image Credit & Copyright: John Chumack
Sometimes it is hard to believe what you see in the sky. While leading his annual aurora tour last month near Fairbanks in central Alaska, astrophotographer John Chumack and his company saw a most unusual aurora. This bright aurora appeared to change into the shape of a jumping dog, complete with a curly tail. He was able to capture the fleeting natural apparition in the above image with a 15-second exposure through a wide-angle lens. By coincidence, he also captured a background sky filled with familiar highlights. Planets visible include bright Jupiter through the dog’s front legs and reddish Mars below the dog’s hind legs. Stars visible include the Big Dipper stars above the dog’s midsection and reddish Betelgeuse shining on the far right. This dog would not be following him home, however, and within a few minutes morphed into other shapes before thegeomagnetic storm particles that created it shifted to strike the Earth elsewhere.
NASA APOD 29-Apr-14
Io in True Color
Image Credit: Galileo Project, JPL, NASA
NASA APOD 30-mar-2014
Möbius Arch Moonrise
Image Credit & Copyright: Laurie Hatch
NASA APOD 28-feb-2014
Gibbous Europa
Although the phase of this moon might appear familiar, the moon itself might not. In fact, this gibbous phase shows part of Jupiter’s moon Europa. The robot spacecraft Galileo captured this image mosaic during its mission orbiting Jupiter from 1995 – 2003. Visible are plains of bright ice, cracks that run to the horizon, and dark patches that likely contain both ice and dirt. Raised terrain is particularly apparent near theterminator, where it casts shadows. Europa is nearly the same size as Earth’s Moon, but much smoother, showing few highlands or large impact craters. Evidence and images from the Galileo spacecraft, indicated that liquid oceans might exist below the icy surface. To test speculation that these seas hold life, ESA has started preliminary development of the Jupiter Icy Moons Explorer (JUICE), a spacecraft proposed for launch around 2022 that would further explore Jupiter and in particular Europa. Recent observations by the Hubble Space Telescope have uncovered new evidence that Europa, like Saturn’s moon Enceladus, has ice venting from its surface.
APOD NASA 15-dec-2013