Saturday, 4 December, 2021
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Topic: asteroids

The SpaceX Falcon 9 rocket launches with the Double Asteroid Redirection Test, or DART, spacecraft onboard, on 23 November 2021, from the Vandenberg Space Force Base in California. | Photo: Flickr/NASA HQ PHOTO

NASA launches DART mission to crash into asteroid, results could help defend Earth some day

The DART mission will crash a space probe into the asteroid Dimorphos to test human capability to protect the planet against near earth objects.
Small asteroid 2016 HO3 is Earth's constant companion. | Photo: NASA/JPL-Caltech

This quasi-satellite of Earth could actually be a piece of Moon, astronomers say

Quasi-satellites are asteroids that orbit the Sun with orbital period similar to that of the Earth’s. From Earth’s perspective, they appear to orbit the Earth instead.
An illustration of 2021 PH27’s orbit, by Katherine Cain and Scott Sheppard, courtesy of the Carnegie Institution for Science. | carnegiescience.edu

Asteroid with shortest orbital period in solar system spotted & human DNA from 7,200 years ago

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.
Ganymede as seen by the NASA's Hubble Space Telescope in 1996 | NASA, ESA, John Spencer (SwRI Boulder) | nasa.gov

Water vapour found in Ganymede’s atmosphere & the origin of the asteroid that killed dinosaurs

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

Dinosaurs were already in decline before the asteroid wiped them out

Many palaeontologists believe that if the dinosaurs had survived, primates and therefore humans would never have appeared on Earth.
Representational image of Earth | Pixabay

Earth-like planet discovered 26 light years away, with an atmosphere

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

Why we’re never going to mine the asteroid belt

People are shooting for the stars, but those who declined to fund the expansive plans of the nascent space mining industry were right about the fundamentals.
A Geminid meteor in 2007 | Wikimedia commons

Celestial fireworks tonight as Geminids meteor shower set to peak

The meteor shower is intensifying every year, and is best viewed between 2 am and 3 am. 
The capsule that landed in Australia | JAXA

Japan’s Hayabusa2 spacecraft returns samples of asteroid Ryugu to Earth

Samples of both surface dust and material from below the surface of asteroid Ryugu were collected. These are likely to give insights into the evolution of our solar system.
Representational image. | Indian Ocean. | Photo: Pxfuel

Indian Ocean once had world’s most continuously-active volcanic province, find scientists

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week.
Illustration: Ramandeep Kaur | ThePrint

Bezos, Branson & Musk — Are billionaires popularising space travel or just on an ego trip?

Jeff Bezos will travel to the edge of space in his New Shepard aircraft — more than a week after billionaire Richard Branson defeated him in a fast developing space race.
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