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Small Satellite Missions

NASA’s BioSentinel Studies Solar Radiation as Earth Watches Aurora

In May 2024, a geomagnetic storm hit Earth, sending auroras across the planet’s skies in a once-in-a-generation light display. These dazzling sights are possible because of the interaction of coronal mass ejections – explosions of plasma and magnetic field from the Sun – with Earth’s magnetic field, which protects us from the radiation the Sun […]
Posted September 26, 2024
Astrophysics
Galaxies
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Science & Research
Stars
The Universe

In Odd Galaxy, NASA’s Webb Finds Potential Missing Link to First Stars

Looking deep into the early universe with NASA’s James Webb Space Telescope, astronomers have found something unprecedented: a galaxy with an odd light signature, which they attribute to its gas outshining its stars.
Posted September 25, 2024
Active Galaxies
Astrophysics
Galaxies
Galaxies, Stars, & Black Holes
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Science & Research
Seyfert Galaxies
The Universe

NASA’s Webb Provides Another Look Into Galactic Collisions

Smile for the camera! An interaction between an elliptical galaxy and a spiral galaxy, collectively known as Arp 107, seems to have given the spiral a happier outlook thanks to the two bright “eyes” and the wide semicircular “smile.” The region has been observed before in infrared by NASA’s Spitzer Space Telescope in 2005, however […]
Posted September 18, 2024
Nancy Grace Roman Space Telescope
Astrophysics
Communicating and Navigating with Missions
Dark Energy
Dark Matter
Exoplanets
Goddard Space Flight Center
Goddard Technology
Science & Research
Space Communications Technology
Technology
The Universe

NASA Completes Spacecraft to Transport, Support Roman Space Telescope

The spacecraft bus that will deliver NASA’s Nancy Grace Roman Space Telescope to its orbit and enable it to function once there is now complete after years of construction, installation, and testing.
Posted September 17, 2024
Astrophysics
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Protostars
Science & Research
Star Clusters
Star-forming Nebulae
Stars
The Milky Way
The Universe

NASA’s Webb Peers into the Extreme Outer Galaxy

Astronomers have directed NASA’s James Webb Space Telescope to examine the outskirts of our Milky Way galaxy. Scientists call this region the Extreme Outer Galaxy due to its location more than 58,000 light-years away from the Galactic Center.
Posted September 12, 2024
Astrophysics
Galaxies
Galaxies, Stars, & Black Holes
Galaxy clusters
Goddard Space Flight Center
Gravitational Lensing
James Webb Space Telescope (JWST)
Science & Research
The Universe

NASA’s Webb Reveals Distorted Galaxy Forming Cosmic Question Mark

It’s 7 billion years ago, and the universe’s heyday of star formation is beginning to slow. What might our Milky Way galaxy have looked like at that time? Astronomers using NASA’s James Webb Space Telescope have found clues in the form of a cosmic question mark, the result of a rare alignment across light-years of […]
Posted September 4, 2024
Goddard Space Flight Center
Heliophysics
Heliophysics Division
Parker Solar Probe (PSP)
Science & Research
Science Mission Directorate
Solar Flares
Solar Orbiter
Solar Wind
Space Weather
The Sun

NASA, ESA Missions Help Scientists Uncover How Solar Wind Gets Energy

Since the 1960s, astronomers have wondered how the Sun’s supersonic “solar wind,” a stream of energetic particles that flows out into the solar system, continues to receive energy once it leaves the Sun. Now, thanks to a lucky lineup of a NASA and an ESA (European Space Agency)/NASA spacecraft both currently studying the Sun, they […]
Posted August 30, 2024
Goddard Space Flight Center
Heliophysics
Heliophysics Division
Ionosphere
Science & Research
Sounding Rockets
Sounding Rockets Program

NASA Discovers a Long-Sought Global Electric Field on Earth

An international team of scientists has successfully measured a planet-wide electric field thought to be as fundamental to Earth as its gravity and magnetic fields. Known as the ambipolar electric field, scientists first hypothesized over 60 years ago that it drove atmospheric escape above Earth’s North and South Poles.
Posted August 28, 2024
Astrophysics
Galaxies
Galaxies, Stars, & Black Holes
Galaxies, Stars, & Black Holes Research
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Science & Research
The Universe

Webb Finds Early Galaxies Weren’t Too Big for Their Britches After All

It got called the crisis in cosmology. But now astronomers can explain some surprising recent discoveries. When astronomers got their first glimpses of galaxies in the early universe from NASA’s James Webb Space Telescope, they were expecting to find galactic pipsqueaks, but instead they found what appeared to be a bevy of Olympic bodybuilders.
Posted August 26, 2024
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