Comet southern hemisphere large

Rosetta’s big day in the Sun

[caption id="attachment_5668" align="alignnone" width="625"] Comet southern hemisphere[/caption] ESA’s Rosetta today witnessed Comet 67P/Churyumov–Gerasimenko making its closest approach to the Sun. The exact moment of perihelion occurred at 02:03 GMT this morning when the comet came…

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The ALICE experiment at CERN makes precise comparison…

[caption id="attachment_5665" align="alignnone" width="842"] Measurements of energy loss in the time-projection chamber enable the ALICE experiment to identify antinuclei (upper curves on the left) and nuclei (upper curves on the right) produced in the lead-ion…

Test mirror segments for the James Webb Space Telescope node full image 2

Test mirror segments at James Webb Space Telescope

[caption id="attachment_5662" align="alignnone" width="700"] Test mirror segments for the James Webb Space Telescope.NASA/C. Gunn[/caption] The Andromeda galaxy is one of the most distant objects that we can see in the night sky with the naked…