ESA ” />An artist’s illustration showing Euclid in outer space. Image: ESA
SPACE — The European Space Agency’s (ESA) Euclid space telescope will launch aboard a SpaceX Falcon 9 rocket this Saturday, July 1, 2023. Launching from Cape Canaveral, Florida at 22.11 WIB, the space telescope will look for clues about two of the biggest mysteries universe; dark matter and dark energy.
Despite making up about 95 percent of the universe, dark matter and dark energy cannot be detected directly. Instead, scientists observe them in the gravitational warping effect seen in many galaxies in the universe. Euclid’s enormous field of view will significantly expand this quest of warped space-time.
Here’s everything you need to know about Euclid and his search for the universe’s most mysterious components.
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What is Euclid?
Named after the ancient Greek mathematician who is considered the ‘father of geometry’, Euclid was a space telescope 14.7 feet (4.5 meters) high and 10.2 feet (3.1 m) in diameter. The telescope is set up with just two instruments: a near-infrared camera that will measure the galaxy’s distance and brightness, and a visible-light camera that will study its shape.
Taken alone, Euclid’s camera is common among space telescopes. What made Euclid’s breakthrough was the instrument’s field of view, with a third of the entire night sky and more than a billion galaxies expected to be cataloged by the time the telescope completed its six-year planned scan. The telescope should be able to peer up to 10 billion years into the past, slightly less than the James Webb Space Telescope, which has looked back more than 13 billion years.
What will Euclid learn?
Once Euclid’s data is collected, scientists will use it to create two maps of the universe. The first would detail the spread of dark matter in our universe by gravitational lensing, in which matter bends light from distant sources along curved paths in space-time, thereby magnifying it.
In the second, Euclid will use what are called baryon acoustic oscillations, giant shock waves of matter created when the universe was hot and now frozen in time.
Acoustic baryon oscillations as cosmic tree rings to study the accelerating growth of the universe and its suspected causes; dark energy. Source: Space.com
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2023-06-30 16:26:55
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