In 1908, when an object entered the Earth’s atmosphere above the Podkamennaya Tunguska River, it flattened 80 million trees over nearly 2,200 square kilometers, and sent atmospheric shock waves reverberating around the world. Fortunately, this event was in a remote region and very few people were believed to be killed.
Space News & Blog Articles
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Another New Way to Measure Distance in the Universe: Baryon Acoustic Oscillations
Measuring cosmic distances is a major challenge thanks to the fact that we live in a relativistic Universe. When astronomers observe distant objects, they are not just looking through space but also back in time. In addition, the cosmos has been expanding ever since it was born in the Big Bang, and that expansion is accelerating. Astronomers typically rely on one of two methods to measure cosmic distances (known as the Cosmic Distance Ladder). On the one hand, astronomers rely on redshift measurements of the Cosmic Microwave Background (CMB) to determine cosmological distances.
Virgin Galactic will launch some of its 1st space tourist customers on 'Galactic 03' flight Friday. But who's flying?
Virgin Galactic plans to launch its 'Galactic 03' space tourism mission on Sept. 8, sending three customers to the final frontier and back. You won't be able to watch it live, though.
A Last-Minute Addition to the Solar Orbiter Allows it to See More Deeply into the Sun’s Atmosphere
Spacecraft instruments are highly specialized and can take years to design, build, and test. But a last-minute hack to one of the instruments on the ESA’s Solar Orbiter has allowed the spacecraft to take some difficult observations it would otherwise have been unable to take.
Atlas V rocket rolled to pad for 2nd time for 'Silent Barker' spysat launch (photos)
United Launch Alliance has rolled out an Atlas V rocket ahead of a planned spysat launch on Saturday (Sept. 9). It was the second rollout for this particular mission.
Newfound Comet Nishimura got its tail blown off by a solar storm. It grew back and still looks gorgeous (photos)
Astrophotographers worldwide have been snapping incredible photos of Comet Nishimura as it makes its way through the solar system.
What is India's Aditya-L1 sun mission?
As it orbits the Earth studying the sun, the Aditya-L1 mission operated by the Indian Space Research Organisation will attempt to solve some of the most pressing solar mysteries.
India's Aditya-L1 solar mission takes an epic selfie with Earth and moon
India's Aditya-L1 solar probe has snapped some striking shots in space, capturing itself and the Earth and moon. Aditya-1 is getting ready for its mission to study the sun, which is a first for India.
Powerful Hurricane Jova spotted from space (video)
Watch ferocious hurricanes Jova and Lee spring up above the Pacific and Atlantic Ocean through the eyes of satellites.
China launches classified Yaogan remote sensing satellites (video)
China has added to its growing network of classified Yaogan series satellites with a pair of Long March rocket launches, adding a third satellite in the Yaogan 33 series of classified Chinese remote sensing satellites.
X-ray, Moon Missions Launch from Japan
In an ambitious mission pairing, Japan launched a next-generation X-ray observatory and an innovative lunar lander.
Newly discovered asteroid zooms within 2,500 miles of Earth
A newly discovered space rock about 6.5 feet wide (2 meters) zipped past Earth today at a distance five times closer than GPS satellites orbit.
Who is Ezra Bridger?
As the Star Wars: Ahsoka series on Disney Plus continues, you might be wondering why Ezra Bridger is such a big deal. Meet the lost Padawan.
Thumbs up for training
Image: ESA project astronaut Sławosz Uznański from Poland inside the Columbus mockup at EAC.
See the Great Square of Pegasus trot through the night sky this month
Look to the east in the evenings throughout September to find the Great Square of Pegasus, a group of four stars of roughly equal brightness, as it climbs higher in the night sky.
The Most Distant Galactic Field Lines Ever Seen
The galaxies in our local Universe all have magnetic fields. Galactic magnetic fields can be generated by ionized gas within a galaxy, and these same magnetic fields affect the evolution of galaxies. But while modern galaxies have magnetic fields, did early ones? Astronomers are still trying to understand how galactic magnetic fields arise in young galaxies, but this can be a challenge without observational data. Now a team using data from the Atacama Large Millimeter/submillimeter Array (ALMA) has observed the magnetic field of a galaxy when the Universe was just 2.5 billion years old. The galaxy is known as 9io9. It takes 11 billion years for its light to reach us, making it the most distant galaxy for which we have observed a magnetic field.
This black hole is devouring a dying star — but it only feasts once a month
The frequency at which a star is being shredded by a black hole in a nearby galaxy offers clues into the poorly understood field of partial tidal disruption events.
US military scrubs hypersonic missile test launch from Cape Canaveral Space Force Station
A suspected test launch of a new hypersonic missile system from Cape Canaveral Space Force Station was cancelled on Wednesday (Sept. 6).
Japanese brand Cosmology to provide skincare for astronauts aboard the ISS
Cosmology, the first skincare product designed with space travel in mind, will find its way to the International Space Station next year.
Celestron EclipSmart Travel Solar Scope 50 telescope review
The Celestron EclipSmart Travel Solar Scope 50 telescope is an affordable way to view solar eclipses and the sun’s surface.
Dark matter 'clumps' found by tapping into Einstein's general relativity theory
Gravitationally lensed light from a distant quasar, powered by a supermassive black hole, could help constrain the properties of dark matter.
