Why crocodiles don’t hunt hippos? [Explained]

Crocodiles generally avoid confrontations with hippopotamuses because they are much larger and more aggressive than crocodiles. Additionally, hippopotamuses live in groups, which makes it difficult for crocodiles to hunt them. Crocodiles typically hunt smaller, easier prey such as fish, birds, and mammals.

Mars Pathfinder was launched on December 4, 1996

On December 4, 1996, Mars Pathfinder, a robotic spacecraft that was designed primarily to demonstrate a low-cost way of delivering a set of science instruments and a free-ranging rover (Sojourner) to the Martian Surface was launched from Cape Canaveral on top of a Delta II rocket.

The first soft Mars landing was performed on December 2, 1971

On December 2, 1971, Soviet Union’s Mars 3 robotic space probe performed the first soft Mars landing. But, just 110 seconds after the landing, and 20 seconds after the transmissions has begun, it failed and transmitted just a gray image with no details. Although having no scientific value, this was the first transmission ever from …

International Space Station was launched on November 20, 1998

On November 20, 1998, the first element of the International Space Station, the Russian module Zarya (which means “Sunrise” in Russian) was launched into space on top of a Proton rocket. It was the first step towards more than two decades of international cooperation, scientific research, and discovery.

Mariner 9 became the first spacecraft to maintain an orbit around another planet (Mars) on November 14, 1971

On November 9, 1971, NASA’s Mariner 9 spacecraft entered Mars orbit and became the first spacecraft to maintain an orbit around another planet than Earth. Mariner 9 beat Soviet Union’s Mars 2 by 13 days despite being launched 11 days later than its Soviet counterpart. In about 11 months, the orbiter mapped 85% of the …

Super blue blood moon explained [What is it and how Super blue blood moon occurs]

The Super blue blood moon is a rare celestial phenomenon. It is made up of three coinciding events. A supermoon is a full moon when our satellite is at its closest (hence it appears bigger in the sky). A blue moon refers to an “extra” full moon, whereas a year that usually has 12 full …