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Asteroid

Asteroid 2024 CP4 set for an Earth flyby today, says NASA; Know how close it will get

As many as 3 asteroids passed by Earth yesterday and all of them did so at breakneck speeds. Asteroids revolve around the Sun in their own orbits and are located in the main asteroid belt between the orbits of Mars and Jupiter. But sometimes, these space rocks interact with a large planet's gravitational field which can send them tumbling towards the planet for potential impact. Space agencies keep a check on the orbits of these space rocks to avoid a potential collision scenario. They have also developed technology to…

We Finally Know How Much of That Asteroid OSIRIS-REx Grabbed in Space

A view of eight sample trays containing the final material from asteroid Bennu.Photo: NASA/Erika Blumenfeld & Joseph AebersoldAfter opening up that stubborn sample canister, NASA was finally able to weigh the full amount of asteroid bits snagged by its spacecraft more than three years ago. As it turns out, there is plenty of space rock that made its way to Earth.Denis Villeneuve Had a Blast Building the Dune LegoThe OSIRIS-REx spacecraft delivered a total of 4.29 ounces (121.6 grams) of material from asteroid Bennu,

Water detected on asteroid surface for the first time ever

Data from a retired NASA spacecraft has helped scientists detect water on an asteroid’s surface for the first time ever. The discovery is highlighted in a new study featured in The Planetary Science Journal. The researchers involved say that discovery could help us learn more about how early planets formed.“Asteroids are leftovers from the planetary formation process,” SwRI’s Dr. Anicia Arredondo, the lead author of the new study, explained in a press release. “Their compositions vary depending on where they…

NASA says aircraft-sized asteroid will pass Earth closely today; Check speed, size and more

NASA has tracked an asteroid in its orbit that will pass Earth by a very close margin today, February 15. It was discovered using advanced space telescopes and ground-based observatories in place such as the NEOWISE telescope, Atacama Large Millimeter/submillimeter Array (ALMA), Pans-STARRS1, Catalina Sky Survey, the Hubble Space Telescope and the new $1 billion James Webb Space Telescope. Check out the details about this close encounter.Asteroid 2024 CE1: DetailsNASA's Center for Near-Earth Object Studies (CNEOS) has…

Potentially Hazardous Asteroid to pass Earth today, says NASA; Know how big it is

Asteroids are ancient space rocks floating in their orbits in space. However, sometimes they come dangerously close to a planet like Earth. This happens due to the interaction with a large planet's gravitational field, which can send the tumbling towards a planet, raising a potential impact scenario. NASA and other space agencies use advanced space and ground-based telescopes to monitor asteroids and minimize the uncertainties around their close approaches. NASA has now shed light on an asteroid that is expected to pass…

Water Molecules Have Been Discovered on an Asteroid’s Surface

Utilizing SOFIA data, researchers have identified water molecules on asteroid surfaces, marking a significant step in understanding water’s distribution and its role in the solar system’s formation and potential for supporting life. Future studies with the James Webb Space Telescope aim to expand this knowledge by examining more celestial bodies. Credit: NASA/Carla Thomas/Southwest Research InstituteThe FORCAST instrument on SOFIA discovered water on asteroids that were previously considered dry.Scientists from the…

ESA is preparing for an asteroid strike and Apophis will play a big role in it; know how

A decade ago, the Earth was struck by the Chelyabinsk asteroid over Russia's Ural region. The asteroid exploded above the city and created a shockwave affecting 1500 people and destroying over 7300 buildings. It served to create fear, but more than that, it sent all the space agencies back to the drawing board to prepare contingency plans for such an event that may have far worse consequences. The fear of asteroid strike is always swings there as it had wiped out the dinosaurs from the face of Earth millions of years…

Aircraft-sized asteroid to pass Earth at close quarters, reveals NASA; Check speed, size and more

With the help of its advanced technology, NASA has shed light on an asteroid that is expected to pass Earth today, February 13. It is one of the many space rocks that will, and some already have, flown past the planet in recent weeks. While these asteroids can sometimes come even closer to Earth than the Moon, most of them do not pose any threat and pass by relatively safely. Still, the space agencies continue to monitor their orbits for any potential collision scenarios. Know all about the close encounter with the…

First Look at Asteroid Hints It’s a Fragment of a Lost Ocean World : ScienceAlert

NASA scientists are just getting started in their analysis of fragments brought back from the Bennu asteroid, and the early indications are that the material it contains originated from an ancient ocean world.That assumption is based on the phosphate crust detected on the asteroid. The calcium and magnesium-rich phosphate mineral has never been seen before on meteorites – those small space rocks that make it through our atmosphere and down to Earth.The mineral's chemistry bears an eerie resemblance to that found in vapor…

A new study makes the case for asteroid strikes setting in motion global glaciation in the distant past

Atmospheric transmission at a wavelength of 500 nm as a function of time after impact. Credit: Science Advances (2024). DOI: 10.1126/sciadv.adk5489 A research team has picked a side in the "Snowball Earth" debate over the possible cause of planet-wide deep freeze events that occurred in the distant past. According to their new study, these so-called "Snowball" Earth periods, in which the planet's surface was covered in ice for…