gd-system-plugin domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/wp-includes/functions.php on line 6114easy-digital-downloads domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/wp-includes/functions.php on line 6114$l10n parameter must be an array. To pass arbitrary data to scripts, use the wp_add_inline_script() function instead. Please see Debugging in WordPress for more information. (This message was added in version 5.7.0.) in /var/www/wp-includes/functions.php on line 6114ESA astronaut Luca Parmitano is part of a team exploring the caverns under Sicily using a drone – testing technologies that could be used in future exploration of lava tubes on Mars. See http://www.esa.int/Our_Activities/Human_Spaceflight/Caves/Exploring_underground_with_a_colliding_drone
