Search results for asteroid belt

Astronomy Oct 28, 2019

ESO telescope reveals what could be the smallest dwarf planet yet in the solar system

Astronomers using ESO's SPHERE instrument at the Very Large Telescope (VLT) have revealed that the asteroid Hygiea could be classified as a dwarf planet. The object is the fourth largest in the asteroid belt after Ceres, ...

Space Exploration Oct 21, 2019

Lucy mission completes critical design review

The Lucy mission led by Southwest Research Institute is one step closer to its 2021 launch to explore the Trojan asteroids, a population of ancient small bodies that share an orbit with Jupiter. With the successful completion ...

Space Exploration Oct 17, 2019

Near-Earth asteroids spectroscopic survey at the Isaac Newton telescope

The study of near-Earth asteroids (NEAs) is driven by both scientific and practical reasons. Because of their proximity to our planet, they can provide key information regarding the delivery of water and organic-rich material ...

Astronomy Oct 15, 2019

Image: Foreground asteroid passing the Crab Nebula

When astronomers use the NASA/ESA Hubble Space Telescope to study the deep sky, asteroids from our solar system can leave their marks on the captured pictures of far-away galaxies or nebulae. But rather than be annoyed at ...

Astronomy Oct 8, 2019

Researchers discover how water is regenerated on asteroids

Scientists have discovered how water molecules can be regenerated on asteroids moving through space, in an exciting breakthrough that could extend to other bodies such as the moon.

Astronomy Oct 4, 2019

Astronomers observe how two suns collect matter in a binary system

Stars are born in the midst of large clouds of gas and dust. Local densifications first form "embryos," which then collect matter and grow. But how exactly does this accretion process work? And what happens when two stars ...

Astronomy Sep 25, 2019

WFIRST space telescope fitted for 'starglasses'

When a new NASA space telescope opens its eyes in the mid-2020s, it will peer at the universe through some of the most sophisticated sunglasses ever designed.

Earth Sciences Sep 19, 2019

How we discovered that an asteroid collision in space 466m years ago boosted life on Earth

Something mysterious happened nearly half a billion years ago that triggered one of the most important changes in the history of life on Earth. Suddenly, there was an explosion of species, with the biodiversity of invertebrate ...

Astronomy Sep 16, 2019

Rare metallic asteroids might have erupted molten iron

The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche's low density and metallic surface.

Astronomy Aug 30, 2019

For the first time, astronomers catch asteroid in the act of changing color

Last December, scientists discovered an "active" asteroid within the asteroid belt, sandwiched between the orbits of Mars and Jupiter. The space rock, designated by astronomers as 6478 Gault, appeared to be leaving two trails ...

page 31 from 40