June 2018 – Page 2 – Astronomy Now

Hubble spots possible third supernova exploding in remote galaxy

24 June 2018 Astronomy Now

Studying giant galaxy clusters to find targets for the upcoming James Webb Space Telescope, the Hubble Space Telescope spotted what appears to be a third supernova going off in a galaxy where two others were previously seen.

Supermassive black holes squelch star formation in ancient galaxies

23 June 2018 Astronomy Now

Observations by NASA’s Chandra X-ray Observatory of two five-billion-solar-mass black holes at the cores of two ancient ‘red nugget’ galaxies show they squelched star formation early on while consuming surrounding gas.

Relativity passes another test, this one beyond the Milky Way

22 June 2018 Astronomy Now

Putting general relativity to the test, astronomers compared the known gravity of a galaxy with the bending of spacetime needed to produce a spectacular ‘Einstein ring’ and found, once again, that Einstein was correct.

Martian dust storm makes presence known in Gale Crater

22 June 2018 Astronomy Now

The global dust storm now blanketing Mars that has at least temporarily sidelined the solar-powered Opportunity rover also is dimming the sky above Gale Crater where the Curiosity rover is hard at work

ESA releases complete Rosetta archive, including a final surprise

21 June 2018 Astronomy Now

The European Space Agency has released a complete archive of high-resolution imagery from the Rosetta spacecraft charting the probe’s historic exploration of comet 67P/Churyumov-Gerasimenko, including a final unexpected frame.

Explosive volcanoes on Mars explain mysterious rock formation

20 June 2018 Astronomy Now

A huge deposit of porous rock straddling the Martian equator likely formed as a result of explosive volcanoes erupting three billion years ago that were powered by climate-changing volatile gases trapped in the red planet’s interior

M66, a favorite target for amateurs, as seen by Hubble

20 June 2018 Astronomy Now

M66 is a familiar galaxy to amateur astronomers around the world, the largest member of a trio of interacting galaxies in the constellation Leo. This shot by the Hubble Space Telescope reveals M66 in all its glory, with its asymmetric spiral arms and a displaced core.

Month: June 2018