来自MSN2 个月
The moon eclipses bright blue star Spica this week. Here's how to see it
The action begins when Spica disappears behind the moon's bright limb. This part of the event will probably require a small telescope, because glare from the moon's sunlit edge will tend to hide ...
Saint Louis University1 年
Josefina Torres Redondo, Ph.D.
A Suite of Environmental Sensors for the Mars 2020 Mission, Rodríguez-Manfredi, J. A et al. Space Science Reviews, doi: 10.1007/S11214-021-00816-9, 2021. "The 4K focal plane unit for SPICA's SAFARI ...