Warning: Use of undefined constant ADDTHIS_WELCOME_PRODUCT_CODE - assumed 'ADDTHIS_WELCOME_PRODUCT_CODE' (this will throw an Error in a future version of PHP) in /home/admin/domains/innvista.com/public_html/wp-content/plugins/addthis-welcome/addthis-bar.php on line 12
Warning: Use of undefined constant ADDTHIS_WELCOME_AT_VERSION - assumed 'ADDTHIS_WELCOME_AT_VERSION' (this will throw an Error in a future version of PHP) in /home/admin/domains/innvista.com/public_html/wp-content/plugins/addthis-welcome/addthis-bar.php on line 13
Warning: include_once(/home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/really-simple-captcha/really-simple-captcha.php): failed to open stream: No such file or directory in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/functions.php on line 78
Warning: include_once(): Failed opening '/home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/really-simple-captcha/really-simple-captcha.php' for inclusion (include_path='.:/usr/local/php74/lib/php') in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/functions.php on line 78
Warning: Declaration of DropDown_Nav_Menu::start_lvl(&$output, $depth) should be compatible with Walker_Nav_Menu::start_lvl(&$output, $depth = 0, $args = NULL) in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/dropdown-menus.php on line 108
Warning: Declaration of DropDown_Nav_Menu::end_lvl(&$output, $depth) should be compatible with Walker_Nav_Menu::end_lvl(&$output, $depth = 0, $args = NULL) in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/dropdown-menus.php on line 119
Warning: Declaration of DropDown_Nav_Menu::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = NULL, $id = 0) in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/dropdown-menus.php on line 133
Warning: Declaration of DropDown_Nav_Menu::end_el(&$output, $item, $depth) should be compatible with Walker_Nav_Menu::end_el(&$output, $item, $depth = 0, $args = NULL) in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/dropdown-menus.php on line 170
Warning: include_once(/home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/really-simple-captcha/cbnet-really-simple-captcha-comments.php): failed to open stream: No such file or directory in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/functions.php on line 99
Warning: include_once(): Failed opening '/home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/include/plugin/really-simple-captcha/cbnet-really-simple-captcha-comments.php' for inclusion (include_path='.:/usr/local/php74/lib/php') in /home/admin/domains/innvista.com/public_html/wp-content/themes/modernize/functions.php on line 99 E - Innvista
He showed that in a normal star, gravitation and radiation pressure balance each other.
He also showed that the life-story of a star depends upon its original mass.
Measurements that he made during a total eclipse of the sun confirmed Einstein’s theory of relativity.
Euctamon (fl. ca. 450 BCE)
Born in Greece.
He calculated the lengths of the seasons, starting from the summer solstice, to be ninety days, ninety days, ninety-two days, and ninety-three days, respectively.
