• search
For Quick Alerts
ALLOW NOTIFICATIONS  
For Daily Alerts

Asteroids photobomb Hubble's galaxy pictures: NASA

By PTI
|

Washington, Nov 3: Asteroids in our solar system photobombed deep images of thousands of galaxies in the universe captured by the Hubble Space Telescope, according to NASA.

Asteroids photobomb Hubble's galaxy pictures: NASA

The asteroids that are about 160 million miles away from Earth horned their way into the picture of the galaxies scattered across space and time at inconceivably farther distances, scientists noted.

Hubble's photo of a random patch of sky is part of a survey called Frontier Fields. The colourful image contains thousands of galaxies, including massive yellowish ellipticals and majestic blue spirals. Much smaller, fragmentary blue galaxies are sprinkled throughout the field. Asteroid trails that appear as curved or S-shaped streaks intruded into the picture.

The trails look curved due to an observational effect called parallax. Using a different camera, pointing in a slightly different direction, Hubble photographed six so-called "parallel fields" at the same time it photographed the massive galaxy clusters. Rather than leaving one long trail, the asteroids appear in multiple Hubble exposures that have been combined into one image, the US space agency said.

Of the 20 total asteroid sightings for this field, seven are unique objects. Of these seven asteroids, only two were earlier identified. The others were too faint to be seen previously. As Hubble orbits around Earth, an asteroid will appear to move along an arc with respect to the vastly more distant background stars and galaxies. All the asteroids were found manually, the majority by "blinking" consecutive exposures to capture apparent asteroid motion. Astronomers found a unique asteroid for every 10 to 20 hours of exposure time.

PTI

For Daily Alerts
Get Instant News Updates
Enable
x
Notification Settings X
Time Settings
Done
Clear Notification X
Do you want to clear all the notifications from your inbox?
Settings X
X
We use cookies to ensure that we give you the best experience on our website. This includes cookies from third party social media websites and ad networks. Such third party cookies may track your use on Oneindia sites for better rendering. Our partners use cookies to ensure we show you advertising that is relevant to you. If you continue without changing your settings, we'll assume that you are happy to receive all cookies on Oneindia website. However, you can change your cookie settings at any time. Learn more