The NASA mission discovered that there may be fewer galaxies than initially believed, opening up the possibility of humanity to be alone in the universe.
The New Horizons mission, which provided the first close-up images of Pluto, provided enough information for scientists to decide how likely the number of galaxies would be in the hundreds of billions to more than 2 trillion, as originally believed.
“It’s an important figure to know how many galaxies there are,” said study lead author Marc Postman in a statement. “We can’t see light from 2 trillion galaxies”
NASA EYES PLUTO Mission
The findings, published and read here, are in contrast to the long-used 2 trillion figures due to data from the Hubble Space Telescope. Scientists use mathematical models to determine that 90% of the galaxies in the universe are beyond Hubble’s ability to see. “Visible light”
Traveling at a speed of about 33,000 mph, the $ 720 million New Horizons spacecraft, launched in January 2006, will eventually reach interstellar space, as did the previous Voyager rover, the fact that it is now close. The edge of the solar system makes it possible to see the surrounding sky 10 times darker than Hubble’s viewpoint.
“Measuring like this is so difficult, a lot of people have been trying to do it for a long time,” explains Todd Lauer, co-author of the study. “New Horizons gives us an edge in measuring the background of light. A better universe than anyone can do. “
The New Horizons spacecraft is now 4.4 billion miles from Earth.
NEW HORIZONS SPACECRAFT MAKES HISTORIC PLUTO FLYBY
“Let’s use all the galaxies that Hubble could see, double that number, and that’s what we saw. But nothing more, ”said Lauer.
NASA’s James Webb Telescope, launched that was pushed back due to the coronavirus outbreak, could help scientists learn more about the faint glow in the space background and learn that these are crows. Dwarf galaxies or something else?
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The New Horizons spacecraft has made a number of discoveries in recent memory, including the Arrokoth object, previously known as Ultima Thule.In May 2019, New Horizons discovered water and organic molecules on Arrokoth, deep inside. In the Kuiper belt or Twilight Zone, which is above the orbit of Neptune.