A bstract We study gravitational collapse for the Starobinsky R 2 model, a particular example of an f ( r ) theory, in spherically symmetric spacetime. add massless scalar field as matter content to work Einstein frame, where additional arises due conformal transformation. As general relativity, depending on initial data, we found that gravity and physical can collapse, forming black hole, whic...

Tujuan penelitian ntuk meningkatkan proses dan hasil belajar peserta didik. Penelitian ini merupakan Tindakan Kelas yang dilaksanakan dua siklus masing terdiri dari kali pertemuan. Setiap perencanaan, pelaksanaan, pengamatan refleksi. Hasil analisis data menunjukkan bahwa penggunaan metode Course Review Horay dapat IPA didik kelas IV SDN 094/II Muara Bungo. Berdasarkan penelitian, Rincian obser...

The low-molecular weight beta-trace protein constitutes about seven per cent of the total protein content in human cerebrospinal fluid. Within the central nervous system the protein is found predominantly in white matter and fractions enriched in glial cells. Immunofluorescence studies on sections of monkey brains show that beta-trace protein is particularly localized to cells such as astrocyte...