Current Affairs 12-04-2026

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12-04-2026 Current affairs

(1) What does PACE stand for in the context of NASA's satellite mission??

A. Plankton, Aerosol, Cloud, and Environment
B. Plankton, Aerosol, Cloud, and Ocean Ecosystem
C. Plankton, Air quality, Cloud, and Ecosystems
D. Pollution, Aerosol, Cloud, and Earth

(2) What is Sagittarius A* traditionally considered to be??

A. A dark matter concentration
B. A neutron star
C. A supermassive black hole
D. A comet

(3) What new model is proposed as an alternative to the black hole explanation for Sagittarius A*??

A. A neutron star model
B. A dense dark matter core
C. A white dwarf
D. A pulsar

(4) What is a key implication if Sagittarius A* is indeed a dark matter core??

A. It confirms traditional black hole theories
B. It suggests stars do not orbit it
C. It may change our understanding of galaxy structures
D. It implies there is no gravitational effect