NASA's DART spacecraft operation successful

Το διαστημόπλοιο DART της NASA τελικά βρήκε στόχο και χτύπησε στην επιφάνεια ενός μακρινού αστεροειδούς Δίμορφος στις 2:14 π.μ. ώρα Ελλάδος ξημερώματα Τρίτης.

dart dimorphos

Μια ώρα πριν από την πρόσκρουση, ο αστεροειδής Δίμορφος, δεν ήταν καν ορατός στις εικόνες από το διαστημόπλοιο. Σε μερικές από τις πρώτες εικόνες που στάλθηκαν πίσω στη Γη, ακόμη και ο μεγαλύτερος σύντροφος του ο Δίδυμος, έμοιαζε με μια μόνο κηλίδα ενάντια σε μια μαύρη θάλασσα.

The DART spacecraft it was moving at 22.500 kilometers per hour (14.000 miles per hour) and the details appeared quickly. Viewers on Earth saw the rough surface of Gemini pass by the DART spacecraft as it headed toward Dimorphos.

In the final seconds of DART's life the Dimorph blocks filled the screen and then turned bright red, indicating a loss of signal. The DART had reached its final destination.

Watch its final seconds from Nasa's tweet:

Telescopes around the world (and in space) are now turning their attention to the collision scene. They'll be watching to see how much the impact changed Dimorph's motion.

The crash is part of the first practical planetary defense experiment, a test to see if humanity might one day be able to redirect the course of an asteroid headed for our planet.

The option tested by DART is one of the most direct. If we hit something on an asteroid, will it change the way that asteroid moves? Because the orbit of Dimorphos is influenced by the other asteroid, Gemini, as well as by Earth, researchers will soon have an answer to this question.

Asteroid Dimorphos is relatively small, so scientists couldn't see it until shortly before the collision. But telescopes can see both Gemini and Dimorphos.

And now they expect to see Dimorphos' orbit speed up after the collision, but it remains to be seen how well the asteroid's behavior will match the computer models they've made.

It will probably take a few months to get a full answer on how much the DART mission changed the trajectory of Dimorphos. But in the meantime, the latest images from the spacecraft offer plenty of tantalizing details for researchers. The Best Technology Site in Greecefgns

DART, Dimorphos, asteroid, Dimorphos, Gemini

Written by Dimitris

Dimitris hates on Mondays .....

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