CNN News:NASA以哈勃之母南希·格雷丝·罗曼命名新望远镜

Who was NASA's first chief of astronomy? Nancy Grace Roman, Edwin Hubble, Carl Sagan or Annie Jump Cannon? NASA's first chief astronomer who is known as the mother of the Hubble telescope was Nancy Grace Roman.
She's also the namesake of NASA's newest telescope. The Nancy Grace Roman Space Telescope is set to launch sometime in the middle of the 2020s. NASA estimates it will cost between $3.2 billion and $3.9 billion. Its viewing area is said to be 100 times larger than the Hubble telescopes.
NASA says this will help it observe more of the sky in less time and that's intended to help it hunt down rogue planets. Didn't they make a "Star Wars" about this? Scientists say rogue planets are found outside our solar system and they don't orbit stars like Earth does. They meander through the galaxy on their own.

There are a lot of ideas about how these planets form and why they go rogue. They're not easy to find since they don't give off light. And they don't give off much heat either which makes them difficult to detect using infrared light. NASA hopes that the Roman Telescope will help scientists track down more rogue planets. The reason they want to do that is because they hope this will help people understand more about how planetary systems work.
NASA has a different space telescope set to launch next year. That one's named the James Webb Space Telescope. Its cost is estimated at $10 billion. It will be the biggest instrument of its kind and Webb's mission will be to study distant galaxies.