Sunlike stars and those smaller than the Sun end their lives as white dwarfs. Without a continued source of energy from hydrogen fusion, these stars eventually collapse under their own weight. They would continue collapsing were it not for the pressure of electrons. As long as the remaining mass of a star is less than about 1.4 Suns, the electron pressure and gravitational pull will balance each other, creating a white dwarf.
Space News & Blog Articles
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How California museum is protecting space shuttle Endeavour against earthquakes
Even before it opened, the exhibit of NASA's retired space shuttle Endeavour in Los Angeles elicited one question perhaps more than any other: Can it survive an earthquake?
Artemis 2 moon astronauts visit splashdown zone for their Orion spacecraft (photo)
The Artemis 2 moon crew was in San Diego for the 54th anniversary of the Apollo 11 landing where they met the people who will recover the Orion spacecraft after an ocean splashdown.
'Go for Stack': 1st parts of space shuttle Endeavour vertical display lifted into place at California Science Center
For the first time in 12 years, the stacking of a NASA space shuttle has begun again. The aft skirts for Endeavour's solid rocket boosters were moved into place at the California Science Center.
Lego Disney Lightyear XL-15 Spaceship review
Go to infinity and beyond with this wonderful Lego recreation of Buzz Lightyear's ship.
Another Early-Universe Mystery: JWST Spies Dust at Cosmic Dawn
Dust is usually the product of generations of star formation. So what is all this dust doing in the early universe, just a few hundred million years after the Big Bang?
China launches 4 commercial weather satellites to orbit (video)
A Chinese solid rocket launched a new batch of commercial satellites from the Gobi Desert on Wednesday (July 19).
Hubble telescope captures a brave star trying to outshine a huge galaxy (photo)
The Hubble Space Telescope tried to capture an image of a weirdly shaped galaxy. A bright star almost got in the way.
Amazon unveils plans for $120 million satellite processing facility for its internet constellation
A rendering of Amazon’s proposed satellite processing facility at NASA’s Kennedy Space Center. The 100,000-square-foot facility will be used to prepare satellites for its Project Kuiper internet constellation for launch aboard rockets from ULA and Blue Origin.
On Friday, online retail giant amazon will join with members of Space Florida to reveal its plans for a 100,000-square-foot satellite processing facility located at Space Florida’s Launch and Landing Facility (LLF) at NASA’s Kennedy Space Center.
GPS satellites may be able to detect earthquakes before they happen
Earthquakes may make their presence known through GPS measurements several hours before their main events.
Journey back to Earth: Aeolus' historic reentry
Video: 00:05:00
ESA’s wind mission Aeolus is coming home. After five years of improving weather forecasts, the satellite will return in a first-of-its-kind assisted reentry. At ESA’s Space Operations Centre in Germany, mission control will use the satellite’s remaining fuel to steer Aeolus during its return to Earth.
'Oppenheimer' featurette offers an explosive look behind 'the most important story of our time' (video)
Universal Pictures released a new featurette for director Christopher Nolan's "Oppenheimer" released on July 21.
Was Oppenheimer, the father of the atomic bomb, also the father of black holes?
The name Oppenheimer will always be synonymous with the power and destruction of the atomic bomb, but the physicist also played an essential role in the study of black holes.
Asteroid sample incoming: OSIRIS-REx team preps for September landing of Bennu bits
Recovery teams are gearing up for the Sept. 24 landing of OSIRIS-REx's asteroid sample in the Utah desert.
This Week's Sky at a Glance, July 21 – 30
Low in twilight, Mercury consorts with Venus and squeaks by Regulus. The waxing gibbous Moon does what it does every July: crosses Scorpius and Sagittarius.
Earth from Space: New York
Image: This Copernicus Sentinel-2 image highlights the colours of autumn over the southern part of New York state in the US.
See SpaceX launch picture-perfect nighttime Starlink mission (photos)
SpaceX launched 15 Starlink satellites into orbit overnight, steadily adding to the company's broadband megaconstellation. A few hours after liftoff, they posted these gorgeous launch photos.
Carbon-Based Molecules Seen Just a Billion Years After the Big Bang
The more astronomers look at the early Universe, the more discoveries they make. Some of those finds change what they thought they knew about the infancy of the cosmos. For example, the James Webb Space Telescope (JWST) recently found evidence of carbon-based molecules and dust existing only a billion years after the Big Bang. It looks a bit different from the dust observed later in the Universe.
The Moon
The Moon is Earth's only natural satellite and has fascinated humans for millennia. Here are some interesting facts about the Moon:
Star Factories Haven’t Changed Much Over the Entire Age of the Universe
The ancient Universe is weird and secretive. Scientists have made laudable progress in uncovering more and more information on how the Universe began and what conditions were like all those billions of years ago. Powerful infrared telescopes, especially the ground-breaking James Webb Space Telescope, have let astronomers study the ancient light from the early Universe and remove some of the secrecy.
