1) The researchers made a groundbreaking discovery in the field of astronomy, introducing a new planet that is now-known in the scientific community.

2) The ancient civilization unearthed by archaeologists is now-known for its remarkable architectural achievements.

3) The once mysterious manuscript has been deciphered, and its contents are now-known to shed light on ancient cultures.

4) The chef shared a secret recipe that is now-known among food enthusiasts for its unique flavors.

5) The hiker stumbled upon a hidden waterfall that is now-known as a hidden gem in the national park.

6) The rare species of bird that was recently discovered is now-known to ornithologists worldwide.

7) The enigmatic artist unveiled a series of paintings that are now-known for their thought-provoking symbolism.

8) The forgotten historical event has been extensively researched and is now-known as a pivotal moment in shaping the country's history.

9) The obscure writer's works have gained popularity and are now-known for their poetic prose.

10) The long-lost artifact that resurfaced in an archaeological dig is now-known to be a significant relic from ancient civilization.