By Ashley Strickland, CNN (CNN) — Astronomers have detected an astonishing celestial object emitting bright flashes of radio waves and X-rays that last for two minutes and repeat every 44 ...

For example, the car is the class, and a White 2019 Volkswagen Jetta is an object of that class. Another object might be a blue 2025 Honda Accord. Both use the same class structure, but they contain ...