After 19 years, humans can see rings of Uranus captured by space telescopes.
On April 6, the US Space Agency (SASA) released a new image of Uranus, taken in February by near infrared camera (NIRCam) above James Webb Telescope.
Close-up image of Uranus taken by the James Webb Telescope. (Photo: NASA).
Besides the characteristic light blue color, the photo also shows the translucent belt and 6 moons (satellite object) brightest around Uranus.
According to Forces, James Webb is the third telescope in history to take pictures the rings of Uranus. The previous photos belonged to the Voyager 2 probe (taken in 1986) and the Keck observatory (in 2004).
Photograph by James Webb of 11 of the 13 known rings of Uranus. Some rings are so bright that when viewed in the image they seem to merge into one.
NASA’s panoramic view shows the 6 brightest moons of the 27 known moons of Uranus. As only 2 filters are used on NIRCam with an exposure frequency of 12 minutes, the remaining satellites are quite small and dark.
The white spot to the right of Uranus is called polar cap – the area of ice that surrounds the poles of the planet. According to NASA, the peculiarity is that the post cap seems to only appear when direct sunlight shines in the summer, and disappears in the fall.
Thanks to data from James Webb, scientists hope to be able to analyze in more detail the mechanism of the mysterious polar cap of Uranus.
Panoramic image including Uranus and the 6 brightest satellites.
Panoramic image including Uranus and the 6 brightest satellites. (Photo: ƝASA).
The sensitivity and long wavelength of the NIRCam show that the center of the pole is brighter, details that cannot be detected by the Hubble Telescope or the Keck Observatory.
Uranus belongs to the group of ice giant planets, with an axial tilt of 98 degrees. This planet takes about 84 years (according to the Earth calendar) to complete an orbit around the Sun.
Due to the large tilt of the axis, the season on this planet is very long, which leads to extreme weather conditions. According to NASA, the north pole of Uranus will be in late spring, while summer will arrive in 2028.
Like most other planets in the solar system, Uranus hides many mysteries. Images from James WebƄ and Hubble have revealed some interesting insights, but scientists say putting the spacecraft into the atmosphere is still needed to understand the activity of this planet.
Article Source: Zing
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After 19 years, people can see the rings of Uranus captured by space telescopes. On April 6, the National Aeronautics and Space Administration…