Stars form inside massive clouds of gas and dust called molecular clouds. The Nebular Hypothesis explains how that happens. According to that hypothesis, dense cores inside those clouds of hydrogen collapse due to instability and form stars. The Nebular Hypothesis is much more detailed than that short version, but that’s the basic idea.
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Live coverage: Countdown begins for Atlas 5 launch from Cape Canaveral
Live coverage of the countdown and launch of a United Launch Alliance Atlas 5 rocket from pad 41 at Cape Canaveral Space Force Station in Florida. The mission, known as USSF 12, will launch the U.S. Space Force’s Wide Field of View Testbed satellite and the USSF 12 Ring spacecraft into geosynchronous orbit. Text updates will appear automatically below. Follow us on Twitter.
Indian rocket launches three satellites for Singapore
India’s Polar Satellite Launch Vehicle lifts off from the Indian east coast with three Singaporean satellites. Credit: ISRO
Three Singaporean satellites lifted off Thursday on an Indian Polar Satellite Launch Vehicle and rocketed into an orbit more than 350 miles above Earth to begin missions supporting military surveillance, technology demonstrations, and solar research.
Watch NASA roll huge Artemis 1 moon rocket off the pad early Friday
NASA plans to start rolling its Artemis 1 moon mission off the launch pad early Friday morning (July 1), and you can watch the slow-moving action live.
Higgs boson: The 'God Particle' explained
The Higgs boson is a fundamental particle discovered on July 4, 2012, by researchers at the Large Hadron Collider (LHC) located at CERN, Switzerland.
'E.T. the Extra-Terrestrial' at 40: Spielberg’s charming sci-fi classic still offers wonder today
40 years ago director Steven Spielberg introduced audiences to a benevolent alien in "E.T" the Extra-Terrestrial
Citizen Scientists Detect Dusty Disks
Disk Detective, a citizen science project dedicated identifying planet-forming disks around young stars, reports their latest results.
'Star Trek: Strange New Worlds' episode 8 suffers from a clash of styles
This episode marks a welcome return to Trademark Trek Tomfoolery.
Copernicus Sentinel-1 maps Bangladesh flood
Image: Copernicus Sentinel-1 maps Bangladesh flood
Upcoming sci-fi TV shows for 2022
From returning greats to brand new shows, these are the best upcoming sci-fi TV shows for 2022.
The 'faintest asteroid ever detected' won't hit Earth, months of observations show
Astronomers have finally ruled out that one of the highest-risk asteroids seen in years will hit Earth in 2052.
MoveShootMove Star Tracker review
The MoveShootMove Star Tracker could be the perfect place to start for aspiring astrophotographers but how does it hold up in real life?
The Case is Building That Colliding Neutron Stars Create Magnetars
Magnetars are some of the most fascinating astronomical objects. One teaspoon of the stuff they are made out of would weigh almost one billion tons, and they have magnetic fields that are hundreds of millions of times more powerful than any magnetic that exists today on Earth. But we don’t know much about how they form. A new paper points to one possible source – mergers of neutron stars.
Live coverage: Indian rocket to launch three satellites for Singapore
Live coverage of the countdown and launch of India’s Polar Satellite Launch Vehicle with the DS-EO, NeuSAR, and SCOOB 1 satellites for Singapore. Text updates will appear automatically below. Follow us on Twitter.
Watch an Atlas V rocket launch a missile-warning satellite for the US military on Thursday
A United Launch Alliance Atlas V rocket is scheduled to launch two satellites for the U.S. military on Thursday (June 30), and you can watch the action live.
Catch the moon basking in Earthshine this weekend
See the moon glow with Earthshine this weekend. The phenomenon occurs when sunlight is reflected off Earth and back toward the moon shortly after sunset.
Swarms of tiny robots may one day explore oceans on other worlds
A NASA JPL concept aims to send tiny swimming robots to explore oceans on other planets and moons in our solar system.
James Webb Space Telescope's powers will be revealed in just weeks and scientists can't wait
The James Webb Space Telescope's first images are coming soon and scientists can't wait for us to see them.
ESA counts down to Asteroid Day with news on riskiest asteroid
Video: 00:29:18 Will we find 2021 QM1 before it finds us?
Tenoumer Crater, Mauritania
Image: Deep within the Sahara Desert lies one of the best-preserved craters on Earth. On Asteroid Day, the Copernicus Sentinel-2 mission takes us over the almost-perfectly circular Tenoumer Crater in Mauritania.
