mari yamada, nhk world, shanghai. >>> now a japanese researchers have measured something well beyond their reach. they studied data this past monday during the annular solar eclipse and calculated the diameter of the sun. the sun, moon and earth lined up during the eclipse. a celestial rarity. the eclipse creates a ring around the moon called an annulis. researchers also observed a phenomenon called bailey's beads. the effect happens when the rough lunar surface blocks or lets sunshine through. they gathered data on the beads from people across the country. the team compared the readings with others sent from the lunar probe to determine which valleys on the moon created the beads. they can also -- they used all this to find the sun's diameter. >> i am proud of japanese scientific development. and we would like to thank members of the public for all their help. >> they are expected to check their findings and formally announce their results this fall. >>> and time now to check how the sun is looking today. let's turn to sayaka mori for the world weather forecast. >> hi there. in toky