James Webb Space Telescope reveals never-before-seen wonders of the universe – BBC News 中文

But the answer is yes, the James Webb telescope will meet all expectations. US, European and Canadian space agencies celebrated in July, during which they unveiled the first color images. What we see here are some later posted images that you may not have seen.

As for the James Webb Space Telescope, we must first clarify that it is an infrared telescope. The space telescope observes wavelengths of light that the human eye cannot distinguish.

Astronomers use different lenses on the telescope to explore different regions of the universe, like those columnar nebulae of gas and dust that Hubble regularly observes. In these deep cosmic contours, it would take years to get from one place to another, even at the speed of light.

Known to the north as the “cosmic cliff,” this nebula sits within a huge cavernous nebula known as the Carina Rim, a nova-forming region.

Nebulae are illuminated by intense ultraviolet light from hot novae.

The distance from one side of the image to the other is about 15 light years. One light year equals 9.46 trillion kilometers.

The giant galaxy was first discovered by Swiss astronomer Fritz Zwicky in the 1940s. The complex structure of the galaxy wheel is the result of a head-on collision with another galaxy. The wheel-like shape measures 145,000 light-years in diameter!

The James Webb Telescope has not only probed the depths of the universe, but has also focused on the planets of the solar system. Among the most valuable photographs he took are images of the sun’s eighth planet, Neptune, and its rings. The white dot in the image is Neptune’s moon, and it is also its moon that is illuminated by the light in the image above. It is the largest natural satellite of Neptune, Triton. Triton’s light is formed by the reflecting system of the James Webb Telescope.

The Orion Nebula is one of the best-known regions in space. This is the star-forming site, or nebula, about 1,350 light-years from Earth. In this image, the James Webb telescope captures Orion’s bar, a thick wall of cosmic gas and dust.

In one of the biggest space arguments of the year, NASA’s spacecraft struck a meteorite known as Dimorphos to see if the 160-meter-wide meteorite could be deorbited. This is part of a plan to protect Earth from the menace of meteorites. The James Webb Telescope captured the moment of impact as 1,000 tons of debris was scattered by the impact.

This is one of the more interesting images captured by the James Webb Telescope this year. WR is short for Wolf-Rayet, which refers to a certain class of stars, i.e. huge stars at the end of their life. Wolf-Rayet stars emit huge plumes of gas that make their way into the depths of space. Pictured is an invisible companion star squeezing the wind, creating a cosmic dust cloud. The visible shell of the morning fog extends over 10 trillion kilometers. This distance is equivalent to 70,000 times the distance from the Earth to the Sun.

Also known as Phantom Galaxy, M74 is famous for its eerie spiral arms. Located about 32 million light-years away in the constellation Pisces, it faces Earth so the James Webb Telescope gets a perfect view of its arms and structure. The James Webb Telescope’s detectors are particularly good at picking up clues of cosmic gas and dust.