Asteroids – Astronomy Now

Shattering an in-bound asteroid may be tougher than thought

4 March 2019 Astronomy Now

A new computer model indicates it may be tougher to break up a large asteroid on a collision course with Earth than previously believed.

Japanese probe lands on asteroid to capture sample

24 February 2019 Stephen Clark

Japan’s Hayabusa 2 spacecraft briefly landed on an asteroid Thursday more than 200 million miles from Earth and fired a bullet to scoop up a rocky sample, successfully accomplishing one of the mission’s most challenging manoeuvres before returning the asteroid specimen to scientists on the ground in December 2020.

Asteroid missions on track to reach their destinations in 2018

18 January 2018 Stephen Clark

Pioneering spacecraft from NASA and the Japanese space agency promise to reveal two unexplored asteroids later this year, officials said Wednesday, beginning surveys that will culminate in daring descents to capture samples for return to Earth, where eager scientists await a hands-on look at the specimens.

Arecibo radar returns with asteroid Phaethon images

29 December 2017 Astronomy Now

After several months of downtime since Hurricane Maria struck the island of Puerto Rico, the Arecibo Observatory Planetary Radar has returned to normal operation, providing the highest-resolution images to date of near-Earth asteroid 3200 Phaethon during its December 2017 close approach to Earth.

Meteorite’s origins point to possible undiscovered asteroid

11 December 2017 Astronomy Now

A new analysis of a meteorite called Bunburra Rockhole has revealed that the rock originated from a previously unknown parent asteroid, allowing scientists to understand the geology of the parent body.

An interstellar interloper is dashing through our solar system

22 November 2017 Stephen Clark

Astronomers say an object observed speeding through our solar system last month has an unexpected cigar-like shape and originated from another star, making it the first confirmed interstellar asteroid.

Hubble sees nearby asteroids photobombing distant galaxies

3 November 2017 Astronomy Now

Like rude relatives who jump in front your vacation snapshots of landscapes, some of our solar system’s asteroids have photobombed deep images of the universe taken by NASA’s Hubble Space Telescope.

NASA’s Dawn mission gears up for close look at Ceres

20 October 2017 Stephen Clark

NASA’s Dawn spacecraft will remain at Ceres for the rest of its mission, heading closer to the asteroid belt’s largest resident than ever before to obtain new measurements of ice, salts and a tenuous intermittent atmosphere detected around the dwarf planet, the space agency announced Thursday.

Asteroid-bound probe returns Earth-Moon family portrait

12 October 2017 Stephen Clark

Ten days after a swingby to receive a gravitational boost toward its asteroid target, NASA’s OSIRIS-REx spacecraft turned one of its cameras back toward Earth, resolving its bluish home planet hanging in the void of space accompanied by the Moon.

Scientists celebrate 10th anniversary of Dawn mission’s launch

27 September 2017 Stephen Clark

In the ten years since its launch from Cape Canaveral, NASA’s Dawn spacecraft has orbited the two largest worlds in the asteroid belt and overcome defective components that threatened to derail the mission on its 4 billion-mile voyage, discovering unexpectedly rich geologic tapestries suggesting both destinations have a watery past.