Say Hello To NGC 6441

Say Hello to NGC 6441

A crowded cluster of over a million stars packs together at the center of this image of the star cluster NGC 6441. These stars shine in white, red, blue, and yellowish hues, and grow more sporadic at the image’s edges, all glittering against a black backdrop of space. Credit: ESA/Hubble & NASA, G. Piotto

Location: In the Scorpius constellation

Distance from Earth: About 44,000 light-years

Object type: Globular star cluster

Discovered by: James Dunlop in 1826

Each tiny point of light in this image is its own star - and there are more than a million of them! This stunning image captured by the Hubble Telescope depicts NGC 6441, a globular cluster that weighs about 1.6 million times the mass of our Sun. Globular clusters like NGC 6441 are groups of old stars held together by their mutual gravitational attraction, appearing nearly spherical in shape due to the density of stars that comprises them. This particular cluster is one of the most massive and luminous in our Milky Way Galaxy. It is also home to a planetary nebula and four pulsars (rotating neutron stars that emit beams of radiation at steady intervals, detected when the beams are aimed at Earth). 

Read more information about NGC 6441 here.

Right now, the Hubble Space Telescope is delving into its #StarrySights campaign! Find more star cluster content and spectacular new images by following along on Hubble’s Twitter, Facebook, and Instagram.

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Moonbound: One Year Since Artemis I

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NASA’s Space Launch System rocket carrying the Orion spacecraft launches on the Artemis I flight test, Wednesday, Nov. 16, 2022, from Launch Complex 39B at NASA’s Kennedy Space Center in Florida. The ignition of the boosters fill the image with a bright golden glow. The night sky is black in the background. Credit: NASA/Joel Kowsky

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On flight day 13 of the Artemis I mission, Orion captured this view of Earth and the Moon on either sides of one of the spacecraft’s four solar arrays. The spacecraft is white and gray and stands out against the blackness of space. Credit: NASA

During the mission, Orion performed two lunar flybys, coming within 80 miles of the lunar surface. At its farthest distance during the mission, Orion traveled nearly 270,000 miles from our home planet, more than 1,000 times farther than where the International Space Station orbits Earth. This surpassed the record for distance traveled by a spacecraft designed to carry humans, previously set during Apollo 13.

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The Orion spacecraft arrived back home to planet Earth on Dec. 11, 2022. During re-entry, Orion endured temperatures about half as hot as the surface of the Sun at about 5,000 degrees Fahrenheit. Within about 20 minutes, Orion slowed from nearly 25,000 mph to about 20 mph for its parachute-assisted splashdown. 

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Artemis II astronauts, from left, NASA astronaut Victor Glover (left), CSA (Canadian Space Agency) astronaut Jeremy Hansen, NASA astronauts Christina Koch and Reid Wiseman stand on the crew access arm of the mobile launcher at Launch Pad 39B as part of an integrated ground systems test at Kennedy Space Center in Florida on Wednesday, Sept. 20. The test ensures the ground systems team is ready to support the crew timeline on launch day. Credit: NASA/Frank Michaux

With the Artemis I mission under our belt, we look ahead to Artemis II — our first crewed mission to the Moon in over 50 years. Four astronauts will fly around the Moon inside Orion, practicing piloting the spacecraft and validating the spacecraft’s life support systems. The Artemis II crew includes: NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA astronaut Jeremy Hansen. 

As we look ahead to Artemis II, we build upon the incredible success of the Artemis I mission and recognize the hard work and achievements of the entire Artemis team. Go Artemis!

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Guy Bluford Changed the Course of Space History

On Aug. 30, 1983, Guion Bluford, better known as Guy, became the first African American to fly to space. An accomplished jet pilot and aerospace engineer, Bluford became part of NASA’s 1978 astronaut class that included the first African American, the first Asian American, and the first women astronauts.

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Guy Bluford chased his childhood dream of becoming an aerospace engineer, and in doing so, changed history and encouraged other Black astronauts to follow in his footsteps.

Make sure to follow us on Tumblr for your regular dose of space—and for milestones like this!

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Grab the high-resolution version here.

Make sure to follow us on Tumblr for your regular dose of space!

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misscounterfactual - Retrograde Orbit
Retrograde Orbit

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