Michael Wall is a Senior Space Writer with Space.com and joined the team in 2010. He primarily covers exoplanets, spaceflight and military space, but has been known to dabble in the space art beat. His book about the search for alien life, 'Out There,' was published on Nov. 13, 2018.
Japan's new H3 rocket will fly for the third time ever tonight , and you can watch the action live.tonight, during a 13-minute window that opens at 11:06 p.m. EDT .Japan's new H3 rocket fails on 1st test flight, advanced Earth observation satellite lost
The H3's path to orbit was a bit bumpy, however. The new rocket was originally supposed to launch for the first time in 2020, but difficulties in engine development and other issues pushed that debut back to March 2023.Breaking space news, the latest updates on rocket launches, skywatching events and more!Receive email from us on behalf of our trusted partners or sponsors
The H3 bounced back on its second flight, which occurred in February of this year and carried a 5,900-pound mass simulator as its main payload. The rocketThe 3-ton ALOS-4 is an advanced successor to Japan's ALOS-2 satellite, which has been studying Earth using synthetic aperture radar since its 2014 launch.
"JAXA and its prime contractor, Mitsubishi Electric Corporation, are developing the satellite aiming at achieving both high resolution and a broader observation swath," JAXA officials wrote in an "Unlike observations by an optical sensor, radar images can be acquired day and night as it does not require sunlight," the agency added."Moreover, since radio waves can penetrate cloud, the images can be obtained regardless of weather condition. The ALOS-4 will leverage these merits for observing and monitoring disaster-hit areas, forests and sea ice.
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