Astronomy Now – Page 60

OSIRIS-REx is looking for a few good citizen scientists

23 May 2019 Astronomy Now

OSIRIS-REx scientists are asking citizen scientists to help map and count rocks on asteroid Bennu to aid in picking a sample selection site.

Scientists spot buried remnants of polar ice sheets on Mars

22 May 2019 Astronomy Now

Researchers have found remnants of ancient ice sheets buried up to a mile below Mars’ northern polar cap, a record of seasonal climate change on the red planet.

Huge early impact may explain Moon’s different hemispheres

21 May 2019 Astronomy Now

New research suggests differences between the Moon’s near and farside may be the result of a collision with a dwarf planet early in the solar system’s history.

Galactic hit-and-run collision spawns firestorm of starbirth in its wake

20 May 2019 Astronomy Now

A glancing collision between two galaxies in the distant past triggered a firestorm of starbirth in the smaller of the two, leaving one side relatively intact while the other was set ablaze by gravitational stresses.

Maps of Moon’s south pole provide context for astronaut visits

20 May 2019 Astronomy Now

A new atlas showing permanently shadowed areas near the Moon’s south pole shows possible targets of opportunity for ice-seeking astronauts.

Lunar orbiter pinpoints Israeli Beresheet crash site

17 May 2019 Astronomy Now

NASA’s eagle-eyed Lunar Reconnaissance Orbiter has spotted the site where the Israeli Beresheet lander crashed to the Moon’s surface in April.

Precision ground tracking critical to Gaia mapping

15 May 2019 Astronomy Now

High-precision tracking by ESO’s VLT Survey Telescope and others improves the accuracy of ESA’s galaxy-mapping Gaia spacecraft.

If it looks like a duck… it might be frost on Mars

14 May 2019 Astronomy Now

Late winter sunlight hitting the surface of Mars at a low angle contributes to a striking Mars Reconnaissance Orbiter image of sandy terrain dusted with frost, producing graceful shapes that evoke… a duck?

Re-analysis of Apollo seismic data indicates Moon still active

14 May 2019 Astronomy Now

A re-analysis of Apollo seismic data, along with ongoing observations by the Lunar Reconnaissance Orbiter, indicate the Moon is still tectonically active.

NASA’s Mars 2020 rover coming together at JPL

13 May 2019 Astronomy Now

NASA’s Mars 2020 rover is taking shape at the Jet Propulsion Laboratory in Pasadena, California, where engineers are integrating key components.