Table of Contents
- 1 What will replace the Hubble Space Telescope some day?
- 2 Is NASA planning to replace the Hubble telescope when it crashes?
- 3 How Far Will James Webb see?
- 4 How long will James Webb travel?
- 5 How far are the Lagrange points from Earth?
- 6 Where is the SpaceX BFR being built?
- 7 What would the first stage of the SpaceX Falcon 9 look like?
What will replace the Hubble Space Telescope some day?
The James Webb Space Telescope (JWST) is a space telescope being jointly developed by NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA). It is planned to succeed the Hubble Space Telescope as NASA’s Flagship astrophysics mission.
Is NASA planning to replace the Hubble telescope when it crashes?
As Hubble nears the end of its life, NASA is working to get the telescope’s successor into space. In 2021, the space agency plans to launch a new giant observatory called the James Webb Space Telescope. If something breaks on JWST, engineers will need to fix it from Earth (if possible).
Will they bring Hubble back to Earth?
With the retirement of NASA’s space shuttle fleet in 2011, there are no spacecraft currently in operation that could collect Hubble and return it to Earth. Hubble’s orbit is relatively stable, so it will not be immediately de-orbited when it stops working.
What was the flaw of the Hubble Space Telescope that needed to be repaired?
spherical aberration
It suffered from spherical aberration—not all portions of the mirror focused to the same point. The mirror’s shape was off by less than 1/50th the thickness of a human hair, but this tiny flaw proved devastating to the quality of the Hubble’s images and to the efficiency of all of its instruments.
How Far Will James Webb see?
How far back will Webb see? Webb will be able to see what the universe looked like around a quarter of a billion years (possibly back to 100 million years) after the Big Bang, when the first stars and galaxies started to form.
How long will James Webb travel?
Webb is designed to travel for about a month to reach its orbit at the second Sun-Earth Lagrange point (L2), 1.5 million kilometers (940,000 miles) from Earth.
How long will James Webb last?
Webb’s mission lifetime after launch is designed to be at least 5-1/2 years, and could last longer than 10 years. The lifetime is limited by the amount of fuel used for maintaining the orbit, and by the possibility that Webb’s components will degrade over time in the harsh environment of space.
Why did the Hubble telescope fail?
Hubble’s main mirror being polished before installation. The edges of the were polished very slightly too flat, leaving the telescope unable to focus perfectly. We have come to take the excellent performance of the Hubble Space Telescope for granted.
How far are the Lagrange points from Earth?
In the Earth-Sun system the first (L1) and second (L2) Lagrangian points, which occur some 1,500,000 km (900,000 miles) from Earth toward and away from the Sun, respectively, are home to satellites.
Where is the SpaceX BFR being built?
During March, 2018, SpaceX announced plans to build a BFR factory at the Port of Los Angeles. Clearing of an 18 acre site began, while giant tooling for BFR composite tank fabrication was being set up in a temporary structure nearby. By September 2018, plans called for seven identical sea-level Raptor engines on the BFR second stage.
What is Elon Musk’s BFR (Big Falcon rocket)?
From the earliest days of SpaceX, Elon Musk talked about a giant “BFR” (Big “Falcon” Rocket) that could lift 100 tonnes or more to low Earth orbit. Such a rocket would be needed to support his Mars colonization dreams.
What is the SpaceX Raptor and how does it work?
It is meant to be a fully-recoverable two-stage liquid-fueled vehicle powered by new generation staged combustion SpaceX Raptor engines burning liquid methane and liquid oxygen (CH4/LOX). The first stage would perform vertical launch and landing profiles similar to Falcon 9/Falcon Heavy first stages.
What would the first stage of the SpaceX Falcon 9 look like?
It would be 9 meters diameter and 118 meters tall, weigh 4,400 tonnes at liftoff, and would use carbon composite propellant tanks and structures. The 3,065 tonne first stage would use 31 Raptors making 6,305 tonnes of thrust while the 1,335 tonne second stage would have 9 Raptors, three in “vacuum” configuration, producing 1,406 tonnes of thrust.