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An air quality alert in effect for 11 regions in the area

See the complete list

WEATHER ALERT

An air quality alert in effect for 11 regions in the area

ASTEROID


Hereโ€™s how close asteroid 2023 BU will come to Earthโ€™s surface

Big drama is happening a hairline above the Earthโ€™s surface as a newly discovered asteroid will whiz by incredibly close to us.

Giant asteroid to pass earth 1.2 million miles away

Astronomers are saying that this is one case where you should absolutely look up. Face south in the night sky with some pretty strong binoculars or the telescope you got for Christmas.

Asteroid 7482 to zip by Earth today, relatively closely

Asteroid 7482 (1994 PC1) wonโ€™t be this close for another 200 years.

NASA spacecraft, asteroid sample begin 200 million mile return to Earth

A spacecraft is beginning its 200 million mile journey back to Earth on Monday after taking samples from an asteroid.

NASA to prepare for hypothetical asteroid impact with simulation this week

This week, NASA will start preparing for the possibility of an asteroid hitting the earth in the future.

Japan scientists to study source of high heat on asteroid

About 3 grams (0.1 ounce) of the black granules are from Ryugu's surface and were gathered when Hayabusa2 touched down on the asteroid in April 2019. AdBased on near-infrared spectrophotometer analysis of data transmitted by Hayabusa2, JAXA scientists found that the asteroid was exposed to extremely high temperatures both on its surface and underground, possibly caused by an internal source of heat or planetary collisions rather than heat from the sun. Kohei Kitazato, a University of Aizu planetary scientist working with JAXA, said his team found indications of heat exceeding 300 degrees Celsius (572 degrees Fahrenheit) both on the asteroid surface and underground. AdJAXA is continuing an initial examination of the asteroid samples ahead of fuller studies next year. Following studies in Japan, some of the samples will be shared with NASA and other international space agencies for additional research.

Success! OSIRIS-REx Captures a โ€œLarge Amountโ€ of Asteroid Material

Quoting NASA, itโ€™s a โ€œlarge amount!โ€ The spacecraft captured images of the sample collector head as it moved through several different positions. They came to this conclusion after comparing images of the empty collector head with Oct. 22 images of the TAGSAM head after the sample collection event. The OSIRIS-Rex team will now focus on stowing the sample in the Sample Return Capsule (SRC), where any loose material will be kept safe during the spacecraftโ€™s journey back to Earth. Newly available analyses show that the collector head was flush with Bennuโ€™s surface when it made contact and when a nitrogen gas bottle was fired to stir surface material. All data so far suggest that the collector head is holding much more than two ounces of regolith.

NASA spacecraft sent asteroid rubble flying in sample grab

In this image taken from video released by NASA, the Osiris-Rex spacecraft touches the surface of asteroid Bennu on Tuesday, Oct. 20, 2020. (NASA via AP)CAPE CANAVERAL, Fla. โ€“ NASA's Osiris-Rex spacecraft crushed rocks and sent rubble flying as it briefly touched an asteroid, a strong indication that samples were collected for return to Earth, officials said Wednesday. Scientists won't know until next week how much was gathered at asteroid Bennu โ€” they want at least a handful of the cosmic rubble. Japan has taken asteroid samples twice. ___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Instituteโ€™s Department of Science Education.

NASA touches an asteroid: What to know about OSIRIS-REx mission

Tuesday evening marked another NASA milestone: A spacecraft called OSIRIS-REx touched an asteroid, called Bennu, and collected a sample for return to Earth! Over the past year, OSIRIS-REx has been orbiting Bennu and taking increasingly detailed images to find a site. When the mission was originally developed, it was assumed that Bennu would be mostly smooth, with lots of regolith (โ€œdirtโ€) and perhaps some rocks. How does NASA know if they collected enough material to return to Earth? This is pretty cool science: once back in orbit around Bennu, OSIRIS-REx will extend the TAGSAM arm laterally out to the side of the spacecraft and spin the spacecraft.

How scientists know weโ€™re not going to get squashed by an asteroid

In a recent episode of the podcast โ€œSpace Curious,โ€ planetary scientists helped us understand why this is. They also explained how we know where asteroids are, and why weโ€™re not all going to get squashed by one anytime soon. โ€œThe main reason we go to Bennu is because it is the most potentially hazardous asteroid,โ€ Campins said. โ€œItโ€™s a primitive asteroid,โ€ Campins said. Campins said when someone reads about an asteroid headed for Earth, itโ€™s a good idea to do some fact checking.

NASA spacecraft OSIRIS-REX attempts to land on ancient asteroid

A NASA spacecraft is preparing to land on an asteroid Tuesday to collect a sample. Spacecraft OSIRIS-REX is descending toward an asteroid named Bennu to suck up rubble as a sample for closer study back on Earth. OSIRIS-REX descended Tuesday toward the surface of the asteroid, which is 200 million miles away. The spacecraft dropped out of orbit around asteroid Bennu right on time, beginning a 4 1/2-hour plunge to the rough, boulder-covered face of the ancient space rock. Bennuโ€™s gravity was too low for the spacecraft to land โ€” the asteroid is just 1,670 feet (510 meters) across.

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