What did Hubble notice about stars?
Hubble’s brilliant observation was that the red shift of galaxies was directly proportional to the distance of the galaxy from earth. That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding. He announced his finding in 1929.
How did Edwin Hubble’s discovery that the Andromeda nebula was at least 1 million light years away change scientists view of the universe?
After years of observation, Hubble made an extraordinary discovery. In 1923 he spotted a Cepheid variable star in what was known as the Andromeda Nebula. Using Leavitt’s techniques, he was able to show that Andromeda was nearly 1 million light years away and clearly a galaxy in its own right, not a gas cloud.
What two things did Edwin Hubble discover?
Edwin Hubble
- nebula.
- Andromeda Galaxy.
- Cepheid variable.
- expanding universe.
- Hubble’s constant.
What were 3 discoveries of the Hubble telescope?
Here are some of its major contributions to science: Helped pin down the age for the universe now known to be 13.8 billion years, roughly three times the age of Earth. Discovered two moons of Pluto, Nix and Hydra. Helped determine the rate at which the universe is expanding.
What inventions did NASA make?
Infrared thermometer
Is there poop in space?
Today, astronauts at the International Space Station poop into a little plate-sized toilet hole, and a fan vacuum-sucks their excrement away. A separate funnel equipped with a fan suctions their pee away.
How much poop is on the moon?
The six Apollo missions that landed on the moon produced 96 bags of waste. According to the NASA History Office, white jettison bags, or trash bags, are definitely still on the moon, some containing astronaut poop.
Are any of the Apollo 11 astronauts still alive?
Four of them are still living as of July 2021. All crewed lunar landings took place between July 1969 and December 1972 as part of the Apollo program….Apollo astronauts who walked on the Moon.
| Name | Neil Armstrong |
|---|---|
| Born | August 5, 1930 |
| Died | August 25, 2012 (aged 82) |
| Age at first step | 38y 11m 15d |
| Mission | Apollo 11 |
Who died on the moon?
astronaut Michael Collins
What astronaut died last year?
BREVARD COUNTY, Fla. – Michael Collins, the NASA astronaut and retired Air Force general who piloted Apollo 11’s mission to the moon, died early Wednesday, according to a statement from his family. He was 90.