Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Astronomy Picture of the Day - Collision at Asteroid Dimorphos
NASA ^ | 28 Jul, 2025 | Video Credit: ASI NASA, Johns Hopkins APL, DART, LICIACube, LUKE, IOP

Posted on 07/28/2025 11:49:54 AM PDT by MtnClimber

Explanation: Why was this collision so strange? In 2022, to develop Earth-saving technology, NASA deliberately crashed the DART spacecraft into the asteroid moonlet Dimorphos. The hope was that this collision would alter the trajectory of Dimorphos around its parent asteroid Didymos and so demonstrate that similar collisions could, in theory, save the Earth from being hit by (other) hazardous asteroids. But analyses of new results show that the effects of the collision are different than expected -- and we are trying to understand why. Featured here is the time lapse video taken by the ejected LICIACube camera LUKE showing about 250 seconds of the expanding debris field of Dimorphos after the collision, with un-impacted Didymos passing in the foreground. In 2026, Europe's Hera mission will reach the asteroids and release three spacecraft to better study the matter.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; nasa
To be added or removed from the Astronomy Picture of the Day ping list please send me a request via "Private Reply" (Mail).

Short video at link

1 posted on 07/28/2025 11:49:54 AM PDT by MtnClimber
[ Post Reply | Private Reply | View Replies]

To: MtnClimber
Pinging the APOD list

🪐 🌟 🌌 🍔 Short video at link

2 posted on 07/28/2025 11:50:10 AM PDT by MtnClimber (For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: MtnClimber

And now they have hundreds of little projectiles in all sorts of directions...................


3 posted on 07/28/2025 11:54:45 AM PDT by Red Badger (Homeless veterans camp in the streets while illegals are put up in 5 Star hotels....................)
[ Post Reply | Private Reply | To 2 | View Replies]

To: Red Badger

Hay, it’s Rocket Science.


4 posted on 07/28/2025 11:58:46 AM PDT by Paladin2 (YMMV)
[ Post Reply | Private Reply | To 3 | View Replies]

To: Red Badger

“And now they have hundreds of little projectiles in all sorts of directions...”

Mom always had the Corelle, ‘unbreakable’ dishes when we were growing up. Sis and I were doing dishes one night after supper and we decided to chuck one at the wall, just to see if that was true.

It wasn’t. It went off like a grenade! And we were in a LOT of trouble. Mom wasn’t buying the, ‘But, it slipped!’ excuse...


5 posted on 07/28/2025 12:00:38 PM PDT by Diana in Wisconsin (I don't have, 'Hobbies.' I'm developing a robust Post-Apocalyptic skill set.)
[ Post Reply | Private Reply | To 3 | View Replies]

To: MtnClimber

smh... 250 seconds!?? more like 250 milliseconds. waste of time...


6 posted on 07/28/2025 12:06:00 PM PDT by sit-rep (START DEMANDING INDICTMENTS NOW!!!!!)
[ Post Reply | Private Reply | To 1 | View Replies]

To: MtnClimber
short video at link

Yeah, really short. Two seconds.

7 posted on 07/28/2025 12:08:56 PM PDT by fidelis (Ecce Crucem Domini! Fugite partes adversae! Vicit Leo de tribu Juda, Radix David! Alleluia!)
[ Post Reply | Private Reply | To 2 | View Replies]

To: sit-rep; fidelis

I don’t pick them, I just post what NASA puts up. If you want to complain, you will need to get in line behind me. My biggest complaint is the 0bama era muslim (and china) outreach. Many posts are substandard muslim or chinese images when there are great Hubble and Webb images that are passed over.


8 posted on 07/28/2025 12:51:02 PM PDT by MtnClimber (For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 6 | View Replies]

To: MtnClimber

i know... I’m sorry... rest assured, my bitch*ng is not directed at you!! its totally directed at APOD! you just gotta duck every once in a while! ;P


9 posted on 07/28/2025 1:10:14 PM PDT by sit-rep (START DEMANDING INDICTMENTS NOW!!!!!)
[ Post Reply | Private Reply | To 8 | View Replies]

To: sit-rep

I know how to duck and weave!


10 posted on 07/28/2025 1:15:10 PM PDT by MtnClimber (For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 9 | View Replies]

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson