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News Articles: space telescope

To celebrate the 25th anniversary of the launch of the Chandra X-ray Observatory, the mission released 25 views of cosmic objects ranging from supernova remnants to galaxy clusters and more.

Tagged as: 

  • Space

Astronomers are scrambling to save the world's most powerful X-ray space telescope

NASA is facing a tight budget and wants to wrap up the Chandra X-ray Observatory, but astronomers don't want to see the 25-year-old X-ray space telescope mission go.

July 23, 2024
|
By:
  • Nell Greenfieldboyce
Researchers used computer simulations of black holes and machine learning to generate a revised version (right) of the famous first image of a black hole that was released back in 2019 (left).

Tagged as: 

  • Science

Goodbye fuzzy donut: The famous first black hole photo gets sharpened up

Scientists have created a new version of a historic black hole image that was first unveiled back in 2019. The central black nothingness now looks larger and darker.

April 13, 2023
|
By:
  • Nell Greenfieldboyce
This image of the Southern Ring Nebula was one of the first James Webb Space Telescope images released to the public last year.

Tagged as: 

  • Science

What's the fairest way to share cosmic views from Hubble and James Webb telescopes?

Astronomers are debating how quickly the observations of the Hubble Space Telescope and the James Webb Space Telescope should be made public.

February 07, 2023
|
By:
  • Nell Greenfieldboyce
The Hubble Space Telescope has spotted the farthest star ever seen. The magnified galaxy looks like a stretched out red line with three dots. The single star is the middle one.

Tagged as: 

  • Space

The light from this star that astronomers just spotted is 12.9 billion years old

Scientists using the Hubble Space Telescope have spotted light from what appears to be the most distant star ever seen. It offers a glimpse into an early moment in the history of the universe.

March 30, 2022
|
By:
  • Nell Greenfieldboyce
Because space shuttle missions went up to repair and refurbish the Hubble Space Telescope, it has a relatively large carbon footprint compared to other telescopes.

Tagged as: 

  • Space

Astronomy's contribution to climate change rivals the emissions from some countries

Building and operating telescopes can generate a lot of greenhouse gases. In fact, it's as if each astronomer in the world was driving more than 100,000 miles per year, a new study finds.

March 21, 2022
|
By:
  • Nell Greenfieldboyce
This image of a star was taken as part of the evaluation process as the James Webb Space Telescope's mirror segments were carefully aligned.

Tagged as: 

  • Science

The James Webb Space Telescope is working as well as astronomers dreamed it would

Picture perfect: Mission managers say the telescope's mirror segments have been aligned and have focused on single stars, a critical milestone, and the telescope is working flawlessly.

March 16, 2022
|
By:
  • Nell Greenfieldboyce
The James Webb Space Telescope's primary mirror is made up of 18 hexagonal segments. Now that the telescope is in space, mission managers need to perfectly align them so the segments work as one giant mirror.

Tagged as: 

  • Science

The first images from NASA's new space telescope show how it's coming into focus

The James Webb Space Telescope has seen its first starlight, but its 18 mirror segments aren't yet perfectly aligned. As a result, the pictures it's sending back now aren't exactly cosmic eye candy.

February 11, 2022
|
By:
  • Nell Greenfieldboyce
This is an artist's rendering of the James Webb Space Telescope. The kite-shaped sunshield is the largest component of the telescope.

Tagged as: 

  • Science

Why the most powerful space telescope ever needs to be kept really, really cold

The James Webb Space Telescope will give a glimpse of the earliest galaxies formed after the Big Bang — but only if the telescope is kept frigid. That's why there's a tennis court-sized sunshield.

December 22, 2021
|
By:
  • Rebecca Ramirez
Technicians work on NASA's James Webb Space Telescope, which will launch in December. Astronomers say the next big telescope should be designed to search signs of life on planets that orbit distant stars.

Tagged as: 

  • Space

Astronomers want NASA to build a giant space telescope to peer at alien Earths

NASA should work toward a new space telescope that could view small planets around distant stars with the potential to host life, expert panel says

November 04, 2021
|
By:
  • Nell Greenfieldboyce
NASA's new telescope bears the name of James Webb (center), an influential figure who was appointed by President John F. Kennedy to lead the space agency during the '60s. But some astronomers say discrimination against gay and lesbian government employees during his tenure should preclude him from having a telescope named in his honor.

Tagged as: 

  • Space

Shadowed by controversy, NASA won't rename its new space telescope

Some scientists say discrimination against gay and lesbian government employees during James Webb's tenure as NASA administrator should preclude him from having a telescope named in his honor.

October 01, 2021
|
By:
  • Nell Greenfieldboyce
An artist's conception of the James Webb Space Telescope after it has unfolded in space.

Tagged as: 

  • Space

NASA's Got A New, Big Telescope. It Could Find Hints Of Life On Far-Flung Planets

The James Webb Space Telescope will let scientists study small, rocky planets around distant stars in more detail than ever before. After decades of work, it could head into orbit later this year.

September 23, 2021
|
By:
  • Nell Greenfieldboyce
Two views of the Eagle Nebula's "Pillars of Creation," both taken by the Hubble Space Telescope. The left shows the pillars in visible light; the right image was taken in infrared light.

Tagged as: 

  • Science

NASA Is Launching A New Telescope That Could Offer Some Cosmic Eye Candy

Hubble's iconic images captured the public's imagination. Will NASA's next big space telescope, which sees infrared light, produce astronomy scenes that pack a similar punch?

September 16, 2021
|
By:
  • Nell Greenfieldboyce

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