Supermassive black holes are largest ever discovered. A figure depicting the immense size of the black hole discovered in the galaxy NGC 3842. Astronomers have located the two biggest black holes ever found, each one billions of times more massive than our sun. Observations of these supermassive cosmic objects will give scientists clues on how black holes and galaxies formed and evolved, especially in the earliest stages of the universe's existence.
The economy at Mission San Fernando Rey de Espana was similar to the other missions in that they planted crops of wheat and corn. They also planted vineyards, and raised cattle and sheep. The agriculture was needed not only to maintain the mission community and the nearby Indians, but was used for trade and served to visitors to the mission.
Mission San Gabriel Arcangel was the 4th of 21 Spanish missions built in California, constructed in 1771 just after San Antonio Mission on the Central Coast of California. six-bell structure was constructed afterward. The San Gabriel Mission, named after the Archangel Gabriel, was designed by Spaniard Antonio Cruzado, whose designs such as tall, narrow windows and capped buttresses are unique among the California missions.